Management

John J. Legere, Chief Executive Officer

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John J. Legere has served as a director of our Company since April 30, 2013 and is a member of the Executive Committee of our Board of Directors. Mr. Legere joined T-Mobile USA in September 2012 as President and Chief Executive Officer and became our President and Chief Executive Officer on April 30, 2013 upon the consummation of the Business Combination. Mr. Legere has over 37 years’ experience in the U.S. and global telecommunications and technology industries. Prior to joining T-Mobile USA, Mr. Legere served as Chief Executive Officer of Global Crossing Limited, a telecommunications company, from October 2001 to October 2011. Before joining Global Crossing, he served as Chief Executive Officer of Asia Global Crossing; as president of Dell Computer Corporation’s operations in Europe, the Middle East, and Africa; as President, Asia-Pacific for Dell; as president of AT&T Asia Pacific; as head of AT&T’s outsourcing program and as head of AT&T global strategy and business development. Mr. Legere serves on the CTIA Board of Directors. Mr. Legere received a bachelor’s degree in Business Administration from the University of Massachusetts, a Master of Science degree as an Alfred P. Sloan Fellow at the Massachusetts Institute of Technology, and a Master of Business Administration degree from Fairleigh Dickinson University and he completed Harvard Business School’s Program for Management Development.

Mike Sievert, President And Chief Operating Officer

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Mike Sievert leads a band of 100K+ customer-crazed disrupters and innovators changing the rules of wireless, and positioning T-Mobile as the fastest-growing company in its space for 5 years running. As President and COO, Mike is responsible for creating the company’s breakthrough market strategies and offers while taking care of 70+ million customers across all of T-Mobile’s business units and brands, in more than 16,000 retail outlets, and in every major market in the U.S. Mike’s customer experience-obsessed teams are always thinking up new ways for T-Mobile to challenge conventions while wowing customers with the next innovation. They’re passionate about working smart and fast to deliver experiences no one saw coming. By eliminating two-year contracts; doing away with data overage charges; introducing fair and transparent phone and upgrade plans; launching unlimited music, video, and LTE data; and rolling out “Team of Experts” customer service, his team is changing wireless for good.

Mike joined T-Mobile in 2012 as Chief Marketing Officer and became COO in 2015. In 2018, he joined the Board of Directors and was appointed President of the Company. Mike also serves on the board of directors of Shaw Communications in Canada. Prior to joining the Un-carrier, Mike had a nearly 25-year career in marketing, technology, and entrepreneurship. He’s an avid aviator and mariner, and an enthusiastic supporter of conservation and the environment—especially in his adopted home of the Pacific Northwest. He’s a proud husband and father to two boys in their 20s. Mike owes his success to daily doses of a perfectly crafted dark roast French press, the source of all his earthly power.

Jeffrey T. Binder, Executive Vice President of T-mobile & President of Layer3

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Jeff Binder serves as our Executive Vice President of T-Mobile and President of Layer3, and is responsible for the delivery and strategic vision for both in-home and mobile video, as well as IoT based home automation. With nearly 30 years of experience in entertainment technologies, Jeff came to T-Mobile through our recent acquisition of Layer3 TV, where he was CEO. Challenging the status quo with products and services that lead markets to new frontiers and an insane focus on the customer is Jeff's lifelong passion. Prior to founding Layer3, Jeff co-founded several successful companies in the video and ad tech space, including Broadbus Technologies, where as founding CEO he and his team pioneered the first generation of systems delivering television on demand and took 50% market-share in less than 4 years. Jeff has served as a senior advisor to TPG, Silver Lake and as a GM within Motorola's $10B Connected Home Division, where he led the first initiatives to develop Motorola's Droid. He has also served on the boards of a number of technology start-ups. Jeff has been recognized by the Boston Business Journal as a 40 under 40 top business leader, Cable Fax Magazine's 100 Heavy Hitters and Multichannel Magazine's Next Generation Leaders. Jeff graduated Harvard University with a concentration in Government.

David R. Carey, Executive Vice President, Corporate Services

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David R. Carey serves as our Executive Vice President, Corporate Services and is responsible for leading the Enterprise Program Office, Corporate Communications, Corporate Real Estate, Corporate Responsibility, Corporate Security and a broad range of responsibilities in leading the Office of the CEO. Mr. Carey has also served in the same role with T-Mobile USA, Inc., the wholly-owned subsidiary of the Company (“T-Mobile USA”), since February 2013. Mr. Carey’s career spans 43 years in the telecom and energy services industry. Before joining T-Mobile USA, from October 2011 to February 2013, Mr. Carey served as Chief Executive Officer and Founder of Telescope Advisors, LLC, an advisory firm specializing in telecommunications. From September 1999 to October 2011, Mr. Carey served in various executive positions, including Executive Vice President, Chief Marketing Officer, Head of Global Sales, Strategy and Corporate Development and Chief Ethics Officer at Global Crossing Limited, a telecommunications company. In addition to Global Crossing, his experience includes executive leadership positions at AT&T, LG&E Energy and Frontier Communications. Mr. Carey holds a Master of Science in Management Science from the Massachusetts Institute of Technology, where he was appointed to a Sloan Fellowship, and received his Bachelor of Science degree at Clarkson University. He has also attended executive programs at the Harvard Business School and the Wharton School at the University of Pennsylvania.

J. Braxton Carter, Executive Vice President, Chief Financial Officer

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J. Braxton Carter serves as our Executive Vice President and Chief Financial Officer, and is responsible for leading the financial functions of the Company. Mr. Carter served as MetroPCS Communications, Inc.’s Chief Financial Officer from March 2005 until the consummation of the Business Combination. Mr. Carter also served as MetroPCS Communications Inc.’s Vice Chairman from May 2011 until the consummation of the Business Combination. From February 2001 to March 2005 he was Vice President, Corporate Operations of MetroPCS Communications, Inc. Mr. Carter also has extensive senior management experience in the wireless and retail industry and spent ten years in public accounting. He is a certified public accountant. Mr. Carter received a Bachelor of Science degree from the University of Colorado with a major in accounting.

Nicholas J.W. Drake, Executive Vice President, Marketing & Digital Experience

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Nick Drake serves as our Executive Vice President, Marketing & Digital Experience. Mr. Drake is responsible for all our marketing, product management, and digital platforms. His team is tasked with ensuring we deliver incredible marketing and customer experiences while driving the company’s digital transformation efforts. Prior to T-Mobile, Nick served as the Global Chief Marketing Officer of Quiksilver, Roxy, and DC Shoes for Quiksilver, Inc. From 2009 to 2013 he was the Managing Director of advertising agency TBWA\Chiat\Day, Los Angeles. He held various positions within Adidas Global Brand Marketing and Global Sports Marketing divisions from 2003 until 2009. He also acted as an advisor to First Lady Michelle Obama’s “Let’s Move!” initiative, was a speaker at the OECD, and served on the boards of various technology startups. Prior to his executive career, Nick was a former professional rugby player and England Sevens team representative.

Peter A. Ewens, Executive Vice President, Corporate Strategy

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Peter A. Ewens serves as our Executive Vice President, Corporate Strategy. He leads the Company’s corporate strategy, business development and M&A activities, which include spectrum strategy and acquisitions and co-brand partnerships. Mr. Ewens has also served as Executive Vice President and Chief Strategy Officer of T-Mobile USA since July 2010. From April 2008 until July 2010, Mr. Ewens was Senior Vice President, Corporate Strategy at T-Mobile USA. Before joining T-Mobile USA, Mr. Ewens was Vice President of OEM Business at Sun Microsystems, a computer software and information technology services company, from June 2006 through March 2008. Before that, Mr. Ewens was a partner at McKinsey & Company, a global management consulting firm. Mr. Ewens received a Master of Science in Management from the Sloan School at Massachusetts Institute of Technology, and Master’s and bachelor’s degrees in Electrical Engineering from the University of Toronto.

Callie Field, Executive Vice President, Customer Care

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Callie Field serves as our Executive Vice President of Customer care and is responsible for the operations and strategic vision for our award-winning call centers for T-Mobile and MetroPCS. Ms. Field joined T-Mobile in 2003 as an Account Representative and quickly rose through the ranks to serve in leadership positions in Sales, Operations and Business Development. She joined the Customer Care organization as Vice President of the West Region in 2015 and was promoted to Senior Vice President in 2016. Ms. Field is an advocate of the customer experience committed to eliminating customer pain points and transforming the way customers interact with us. Ms. Field received a Bachelor of Arts degree in Literary Studies from Bard College and Masters of Business Administration and Juris Doctor degree from Texas Tech University.

Jon A. Freier, Executive Vice President, T-mobile Retail

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Jon Freier serves as our Executive Vice President of T-Mobile’s retail channels including all company-owned retail stores, T-Mobile premium retailers, independent authorized retailers, national retailers, and our digital retail teams. Jon is responsible for leading the strategy, planning, and overall operations to deliver a word-class customer experience in over 5,300 T-Mobile branded retail stores across the United States and Puerto Rico. Enthusiastically leading over 46,000 retail and operations employees, Jon has transformed T-Mobile Retail into an award-winning and customer-obsessed culture by passionately serving our frontline teams. Additionally, Jon and his team have led one of the largest and fastest retail growths in American history by adding over 2,200 stores to T-Mobile’s distribution portfolio since 2015, including launching T-Mobile’s iconic Signature stores, bringing the Un-carrier to tens of millions of more Americans.

As a veteran of T-Mobile and its predecessor companies, Jon has nearly 25 years of experience in the wireless telecommunications industry with increasing levels of responsibility in customer-facing functions. Jon began his wireless career in 1994, as a frontline sales associate, with Western Wireless Corporation in Lubbock, Texas when the Company had less than 100,000 total customers. With a concentration in rural, unserved markets throughout the western United States, Western Wireless birthed VoiceStream in 1996, and then became T-Mobile USA when Deutsche Telekom acquired VoiceStream in 2001. Jon holds a Bachelor of Science degree in Organizational Management from Lubbock Christian University and a Master of Science degree in Organizational Leadership from Colorado State University.

Janice V. Kapner, Executive Vice President, Communications & Community Engagement

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Janice V. Kapner is Executive Vice President of Communications & Community Engagement at T-Mobile. In this role, Janice and her team are responsible for developing and sharing the T-Mobile story with employees, customers and other influencers through public and media relations, social media, internal communications and corporate social responsibility efforts, including the T-Mobile Foundation. Before joining T-Mobile, Janice held leadership positions at Microsoft, most notably as head of Worldwide Communications for the Microsoft Office Division. Prior to that, she held Senior Director and Director roles at various Silicon Valley companies, as well overseeing Investor Relations & Communications through one company’s IPO. Janice has received numerous awards in recognition of her work, including being named by PR Magazine as a Top Woman in PR three years in a row, PR News’ Platinum PR Professional of the Year, and is on PR Week’s U.S. Power List for the 2nd year in a row. She serves on the Board of Directors of Pet Partners, a non-profit organization focused on promoting excellence in animal-assisted therapy programs. Janice is a graduate of California State University at Sacramento, where she earned a Bachelor’s degree in Communications with an emphasis on journalism, and completed executive marketing programs through both Stanford and Kellogg School of Management. Janice lives in the Seattle area with her beloved family: her husband, Gary, and her dogs, Nutmeg, Cooper and Sydney.

Michael J. Katz, Executive Vice President, T-mobile for Business

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Mike Katz launched his career with T-Mobile over 19 years ago and serves as Executive Vice President of the company’s rapidly growing B2B division. Mike was one of the architects of the “Un-carrier” revolution, the radical change and relaunch of T-Mobile’s brand and value proposition. Currently, Mike leads all marketing activities, sales, operations and business development for T-Mobile for Business. Prior to his current role, Mike had responsibility for all brand and acquisition marketing activities for T-Mobile. Mike is most proud of where he started his career, on the front line, working in the third-party distribution/sales organization, where he was a part of launching and building distribution networks in some of the company’s biggest markets, including Denver, Chicago and California. In 2017, Mike was recognized as one of Puget Sound Business Journal’s top 40 business leaders under 40 in the Seattle area. Mike holds a bachelor’s degree in sociology from Colorado State University. When he’s not working to empower T-Mobile’s business customers, you can find him spending time with his wife and four kids, whom he’s usually taxiing to soggy Seattle sports fields or birthday parties.

Thomas C. Keys, President, MetroPCS

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Thomas C. Keys serves as our President, MetroPCS, and is responsible for our MetroPCS business. Previously, Mr. Keys served as our Executive Vice President and Chief Operating Officer, MetroPCS Business, from April 2013 to February 2015. Mr. Keys served as MetroPCS Communications Inc.’s President from May 2011 until the consummation of the Business Combination, and as Chief Operating Officer since June 2007. Mr. Keys also served as MetroPCS Communications Inc.’s President from June 2007 to December 2007, Senior Vice President, Market Operations, West, from January 2007 until June 2007, and as Vice President and General Manager, Dallas, from April 2005 until January 2007. Mr. Keys received a Bachelor of Arts degree from the State University of New York at Oswego, and a Master of Arts from Syracuse University.

Elizabeth A. McAuliffe, Executive Vice President, Human Resources

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Elizabeth A. McAuliffe serves as our Executive Vice President, Human Resources. Ms. McAuliffe is responsible for leading the human resources function that supports our employees across the country. From January 2014 to June 2016 she served as Senior Vice President of Total Rewards and Operations, encompassing leadership of all compensation, Rewards & Recognition, benefits, payroll, human resources systems and human resources operations. From June 2013 to January 2014, she served as Vice President, CHRO Regions, at Providence Health & Services, a nonprofit health system. From January 2011 to June 2013 she served as Senior Vice President, Human Resources at T-Mobile. Prior to joining T-Mobile, Ms. McAuliffe held various positions at Starbucks Coffee Company, a coffee retailer, in both the Law & Corporate Affairs department and the Human Resources department. Ms. McAuliffe received a bachelor’s degree from the University of Massachusetts, Amherst and a Juris Doctor from Northeastern University School of Law.

David A. Miller, Executive Vice President, General Counsel and Secretary

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David A. Miller serves as our Executive Vice President, General Counsel and Secretary. Mr. Miller oversees all legal affairs and government affairs functions of the Company. Mr. Miller has also served as T-Mobile USA’s Chief Legal Officer, Executive Vice President, General Counsel and Secretary. Mr. Miller was appointed Senior Vice President and General Counsel of T-Mobile USA in April 2002 and Executive Vice President in January 2011. Previously, Mr. Miller served as Director of Legal Affairs for Western Wireless (a predecessor to T-Mobile USA) from March 1995 to May 1999, and he became Vice President of Legal Affairs of VoiceStream in May 1999 following its spin-off from Western Wireless. VoiceStream was acquired by Deutsche Telekom in May 2001, when it became T-Mobile USA. Prior to joining Western Wireless, Mr. Miller was an attorney with the law firm of Lane Powell and began his law career as an attorney with the firm McCutchen, Doyle, Brown and Enersen. Mr. Miller serves on the Board of Directors of the Competitive Carriers Association and is a member of its Executive Committee. Mr. Miller received a bachelor’s degree in Economics from the University of Washington and a Juris Doctor from Harvard Law School.

Sunit Patel, Executive Vice President, Merger and Integration Lead

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Sunit Patel serves as our Executive Vice President, Merger and Integration Lead, and is responsible for leading T-Mobile’s strategic planning efforts to integrate its business with Sprint as the two companies work through the necessary regulatory reviews and other closing conditions to combine and become the New T-Mobile. Prior to T-Mobile, Mr. Patel served as the Executive Vice President and Chief Financial Officer of CenturyLink, a role which he held for more than 14 years at Level 3 prior to the 2017 merger with CenturyLink. Mr. Patel was responsible for billing, credit and collections, tax, procurement, treasury, accounting, audit, public reporting, budgeting, financial planning and analysis, corporate finance, real estate and fleet. Before CenturyLink, Mr. Patel served as CFO and co-founder of Look­ing Glass Networks Inc., a facilities-based provider of metropolitan telecommunication transport services. Prior to that, he was Treasurer of MCI WorldCom, and, before that, he was Treasurer of MFS Communications, Inc., a competitive local exchange carrier acquired by WorldCom. He was formerly responsible for Corporate Development and Strategic Planning for BJ Services Company, now a part of Baker Hughes, and has worked in investment banking. Mr. Patel holds a Bachelor's Degree in Chemical Engineering and Economics from Rice University. He is also a Chartered Financial Analyst (CFA).

Neville R. Ray, Executive Vice President and Chief Technology Officer

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Neville R. Ray serves as our Executive Vice President and Chief Technology Officer. Mr. Ray joined T-Mobile USA (then VoiceStream) in April 2000 and since December 2010 has served as its Chief Technology Officer, responsible for the national management and development of the T-Mobile USA wireless network and the company’s information technology services and operations. Prior to joining T-Mobile USA, Mr. Ray served as Network Vice President for Pacific Bell Mobile Services. He currently serves on the Board of Directors of Next Generation Mobile Networks Alliance, a mobile telecommunications association of mobile operators, vendors, manufacturers and research institutes, and as the Chairperson of the Board of Governors of 5G Americas, a mobile telecommunications association of mobile operators, vendors, and manufacturers. Both associations have a focus on the advancement and development of 5G technologies and services. He has previously served as a member of the National Telecommunications and Information Administration’s Commerce Spectrum Management Advisory Committee and the Federal Communications Commission’s Communications Security, Reliability and Interoperability Council. Mr. Ray is an honors graduate of City, University of London and a member of the Institution of Electrical and Electronic Engineers and the Institution of Civil Engineers.

Cody Sanford, Executive Vice President and Chief Information Officer

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Cody Sanford serves as our Executive Vice President and Chief Information Officer, in charge of the Company’s Enterprise IT organization. Prior to his role as CIO, Mr. Sanford served as Senior Vice President of Technology. In addition, he led the integration planning and public-company readiness effort in the successful merger of T-Mobile & Metro PCS. From 2011 to 2012, Mr. Sanford was the Company’s Senior Vice President, West Area Field Sales and Operations. From 2010 to 2011, he was West Region Vice President, Retail Sales; from 2008 to 2010, Mr. Sanford served as Vice President, Enterprise Planning and from 2006 to 2008, he was Vice President of Engineering and Operations. Prior to that, Mr. Sanford held various leadership positions in Engineering and Operations. Before joining T-Mobile, Mr. Sanford served as Western Regional Director for The Walter Group and founded Magellan Communications. He earned a Bachelor of Arts in Political Science from the University of Washington.

Matt Staneff, Executive Vice President and Chief Commercial Officer

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Matt Staneff is T-Mobile's EVP & Chief Commercial Officer. As the leader of the Commercial team, Matt balances short- and long-term priorities to achieve the company's financial and growth goals through driving pricing, offers, and the go-to-market process. The achievements of his team have led to T-Mobile's industry-leading results and has also helped make T-Mobile customers the most satisfied in wireless. Matt has been with T-Mobile since 2002, serving in a number of executive-level marketing, product, and commercial roles.

Board of Directors

Timotheus Höttges, Chairman of the Board

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Timotheus Höttges has served as a director of our Company and Chairman of the Board since April 30, 2013, and is a member and chair of the Executive Committee of our Board of Directors. Since January 2014, Mr. Höttges has served as Chief Executive Officer of Deutsche Telekom, our majority stockholder and a leading integrated telecommunications company. From March 2009 to December 2013, he served as Deutsche Telekom’s Chief Financial Officer (CFO) and a member of the Board of Management. From December 2006 to March 2009, he was a member of the Board of Management responsible for the T-Home Unit (fixed-network and broadband business, as well as integrated sales and service in Germany). From January 2003 to December 2006, Mr. Höttges headed European operations as a member of the Board of Management of T-Mobile International. Mr. Höttges studied Business Administration at the University of Cologne. Mr. Höttges’ individual qualifications and skills that led to the conclusion that he should serve as a director include his extensive and broad experience in the telecommunications industry gained through his positions of increasing responsibility in operations, corporate planning, mergers and acquisitions and finance.

John J. Legere

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John J. Legere has served as a director of our Company since April 30, 2013 and is a member of the Executive Committee of our Board of Directors. Mr. Legere joined T-Mobile USA in September 2012 as President and Chief Executive Officer and became our President and Chief Executive Officer on April 30, 2013 upon the consummation of the Business Combination. Mr. Legere has over 37 years’ experience in the U.S. and global telecommunications and technology industries. Prior to joining T-Mobile USA, Mr. Legere served as Chief Executive Officer of Global Crossing Limited, a telecommunications company, from October 2001 to October 2011. Before joining Global Crossing, he served as Chief Executive Officer of Asia Global Crossing; as president of Dell Computer Corporation’s operations in Europe, the Middle East, and Africa; as President, Asia-Pacific for Dell; as president of AT&T Asia Pacific; as head of AT&T’s outsourcing program and as head of AT&T global strategy and business development. Mr. Legere serves on the CTIA Board of Directors. Mr. Legere received a bachelor’s degree in Business Administration from the University of Massachusetts, a Master of Science degree as an Alfred P. Sloan Fellow at the Massachusetts Institute of Technology, and a Master of Business Administration degree from Fairleigh Dickinson University and he completed Harvard Business School’s Program for Management Development.

Mike Sievert

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Mike Sievert leads a band of 100K+ customer-crazed disrupters and innovators changing the rules of wireless, and positioning T-Mobile as the fastest-growing company in its space for 5 years running. As President and COO, Mike is responsible for creating the company’s breakthrough market strategies and offers while taking care of 70+ million customers across all of T-Mobile’s business units and brands, in more than 16,000 retail outlets, and in every major market in the U.S. Mike’s customer experience-obsessed teams are always thinking up new ways for T-Mobile to challenge conventions while wowing customers with the next innovation. They’re passionate about working smart and fast to deliver experiences no one saw coming. By eliminating two-year contracts; doing away with data overage charges; introducing fair and transparent phone and upgrade plans; launching unlimited music, video, and LTE data; and rolling out “Team of Experts” customer service, his team is changing wireless for good.

Mike joined T-Mobile in 2012 as Chief Marketing Officer and became COO in 2015. In 2018, he joined the Board of Directors and was appointed President of the Company. Mike also serves on the board of directors of Shaw Communications in Canada. Prior to joining the Un-carrier, Mike had a nearly 25-year career in marketing, technology, and entrepreneurship. He’s an avid aviator and mariner, and an enthusiastic supporter of conservation and the environment—especially in his adopted home of the Pacific Northwest. He’s a proud husband and father to two boys in their 20s. Mike owes his success to daily doses of a perfectly crafted dark roast French press, the source of all his earthly power.

Thomas Dannenfeldt

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Thomas Dannenfeldt has served as a director of our Company since November 15, 2013, and is a member of the Compensation Committee and Executive Committee of our Board of Directors. Mr. Dannenfeldt has served as the Chief Financial Officer of Deutsche Telekom, our majority stockholder and a leading integrated telecommunications company, since January 2014. He was Finance Director ofTelekom Deutschland from April 2010 to December 2013. From July 2009 to April 2010, he was the CFOof T-Mobile Deutschland. From January 2010 to April 2010 he was also responsible for the fixed line part of Deutsche Telekom as a member of the T-Home Board of Management. Prior to that, he was on the T-Home Board of Management responsible for the Market and Quality Management since January 2007. Mr. Dannenfeldt started his career at Deutsche Telekom in 1992 and has gained more than 20 years of experience in various leadership roles in sales, marketing and finance in national and international mobile and fixed line telecommunications business. He also served on the Board of Directors of Virgin Mobile in the UK in 2003 and 2004. Mr. Dannenfeldt’s individual qualifications and skills that led to the conclusion that he should serve as a director include his extensive and broad experience in the telecommunications industry gained through his positions of increasing responsibility in operations, corporate planning, mergers and acquisitions and finance.

Srikant T. Madhav Datar

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Srikant M. Datar has served as a director of our Company since April 30, 2013 and is a member and chair of the Audit Committee of our Board of Directors. Mr. Datar is the Arthur Lowes Dickinson Professor at the Graduate School of Business Administration at Harvard University. Mr. Datar is a Chartered Accountant and planner in industry, and has been a professor of accounting and business administration at Harvard since July 1996, and he previously served as a professor at Stanford University and Carnegie Mellon University. Mr. Datar currently serves on the board of directors of Novartis AG, where he is also the Chairman of the Audit and Compliance Committee, and a member of the Chairman’s Committee, the Risk Committee and the Compensation Committee. Mr. Datar is also a member of the boards of directors of ICF International Inc., where he is a member of the Corporate Governance and Nominating Committee; Stryker Corporation, where he is a member of the Audit and Finance Committees; and HCL Technologies, where he is a member of the Compensation Committee. Mr. Datar received gold medals upon his graduation from the Indian Institute of Management, Ahmedabad, and the Institute of Cost and Works Accountants of India. Mr. Datar received a Masters in Statistics and Economics and a Ph.D. in Business from Stanford University. Mr. Datar’s individual qualifications and skills that led to the conclusion that he should serve as a director include his service on boards of international companies, his substantial teaching and practical experience in accounting, governance and risk management, and his academic and broad-based knowledge and experience of strategy, business and finance.

Lawrence H. Guffey

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Lawrence H. Guffey has served as a director of our Company April 30, 2013, and is a member of the Compensation Committee, Executive Committee and Nominating and Corporate Governance Committee of our Board of Directors. Mr Guffey was previously a Senior Managing Director (Partner) in the Private Equity Group at The Blackstone Group where he worked for 22 years, the last 10 of which as one of the firm’s Senior Partners in Europe. Mr Guffey was made a Partner of The Blackstone Group in 2000 at the age of 31. During his tenure as a Partner at The Blackstone Group, Mr Guffey led or co-led many of the firm’s media and communications-related investments and had day-to-day responsibility for management of Blackstone Communications Advisors. Mr Guffey was a member of the Supervisory Board at Deutsche Telekom, our majority stockholder, from June 2006 until October 2013. He was a Director of New Skies Satellites Holdings Ltd. from January 2005 to December 2007, Axtel SA de CV since October 2000, FiberNet L.L.C. from 2001 until 2003, iPCS Inc. from August 2000 to September 2002, PAETEC Holding Corp. from February 2000 to 2002, and Commnet Cellular Inc. from February 1998 to December 2001. Mr Guffey also served as a Director of TDC A/S from February 2006 to March 2013. He holds a Bachelor of Arts magna cum laude degree from Rice University, where he was elected to Phi Beta Kappa. Mr Guffey’s individual qualifications and skills that led to the conclusion that he should serve as a director include his extensive experience on other company boards, particularly those of other companies in the telecommunications industry, including Deutsche Telekom, a leading integrated telecommunications company.

Bruno Jacobfeuerborn

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Bruno Jacobfeuerborn has served as a director of our Company since June 5, 2014 and is a member Executive Committee. He is Chief Technology Officer (CTO) of Deutsche Telekom AG since February 2012 and Managing Director of Deutsche Funkturm GmbH since January 2017. Deutsche Telekom AG is our majority stockholder and a leading integrated telecommunications company. Previously, he served as the Director of Technology Telekom Deutschland GmbH from April 2010 to December 2016. Prior to that, Mr. Jacobfeuerborn was Director of Technology of T-Mobile Deutschland and T-Home in Germany from July 2009 to March 2010. In this double role, he was responsible for the technology business (both mobile and fixed network) in Germany. From April 2007 to July 2009, he was Managing Director of Technology, IT and Procurement at Polska Telefonica Cyfrowa. Mr. Jacobfeuerborn joined what is now Deutsche Telekom AG in 1989 and has held several positions with increasing responsibility within the group. Mr. Jacobfeuerborn’s individual qualifications and skills that led to the conclusion that he should serve as a director include his extensive experience in the telecommunications industry gained through his positions of increasing responsibility in the field of technology.

Raphael Kübler

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Raphael Kübler has served as a director of our Company since April 30, 2013, and is a member of the Compensation Committee and Executive Committee of our Board of Directors. In January 2014, Mr. Kübler assumed the position of Senior Vice President of the Corporate Operating Office of Deutsche Telekom, our majority stockholder and a leading integrated telecommunications company, and reports directly to the Chief Executive Officer of Deutsche Telekom. From July 2009 to December 2013, Mr. Kübler served as a Senior Vice President Group Controlling at Deutsche Telekom. In this position, he was responsible for the financial planning, analysis and steering of the overall Deutsche Telekom Group as well as the financial management of central headquarters and shared services. From November 2003 to June 2009, Mr. Kübler served as Chief Financial Officer of T-Mobile Deutschland GmbH, the mobile operations of Deutsche Telekom in Germany now known as Telekom Deutschland GmbH (a whollyowned subsidiary of Deutsche Telekom). Mr. Kübler presently serves on the board of Hellenic Telecommunications Organization. Mr. Kübler studied Business Administration at H.E.C. in Paris and the Universities of Bonn and Cologne. He holds a doctoral degree from the University of Cologne. Mr. Kübler’s individual qualifications and skills that led to the conclusion that he should serve as a director include his extensive experience in the telecommunications industry and specific knowledge of our Company gained through his position as an executive officer of Deutsche Telekom, and his service on the Audit Committee of the Board of Directors of T-Mobile USA prior to the consummation of the Business Combination.

Thorsten Langheim

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Thorsten Langheim has served as a director of our Company since April 30, 2013 and is a member of the Nominating and Corporate Governance Committee and Executive Committee of our Board of Directors. Mr. Langheim also serves as Executive Vice President Group Corporate Development of Deutsche Telekom, our majority stockholder and a leading integrated telecommunications company, a position he has held since November 2009. In his current role, he manages Deutsche Telekom’s Corporate Strategy and Group M&A activities. Prior to his position at Deutsche Telekom, Mr. Langheim was Managing Director at the Private Equity Group of The Blackstone Group, an asset management and financial services company, from May 2004 to June 2009, primarily focusing on private equity investments in Germany. Mr. Langheim is a member of the Supervisory Board of Scout24. Previously, Mr. Langheim served on the boards of STRATO AG and T-Venture Holding GmbH. Mr. Langheim holds a Master of Science degree in International Securities, Investment and Banking from the ISMA Centre for Education and Research at the University of Reading. Mr. Langheim holds a Bachelor’s degree in European Finance and Accounting from the University in Bremen (Germany) and Leeds Business School (United Kingdom). Mr. Langheim’s individual qualifications and skills that led to the conclusion that he should serve as a director include his extensive experience in strategic development and mergers and acquisitions, private equity and investment banking and in-depth knowledge of the telecommunications industry.

Olaf Swantee

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Olaf Swantee has served as a director of our Company since June 13, 2018 and is a member of the Compensation Committee of our Board of Directors. Since May 2016, Mr. Swantee has served as Chief Executive Officer of Sunrise Communications Group AG, a private Swiss telecommunications provider. From 2011 to May 2016, he served as Chief Executive Officer of EE Limited, a British mobile network and telecommunications provider. From 2007 to 2011, Mr. Swantee held executive positions at Orange-France Telecom, first as Executive Vice President Europe and Mobile WW and then as Executive Vice President Europe and Purchasing WW, while also serving as a member of the global management committee. He held various senior positions from 2002 to 2007 at Hewlett-Packard (Switzerland) LLC. Mr. Swantee is a member of the board of directors of Telia Company AB. He also served on the board of directors of Legal & General Group PLC from 2014 to 2016. Mr. Swantee received a Master of Business Administration degree from the European School of Management in Paris, France.

Teresa Ann Taylor

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Teresa A. Taylor has served as a director of our Company since April 30, 2013 and has been our lead independent director since May 1, 2013. Ms. Taylor is also a member and chair of the Nominating and Corporate Governance Committee of our Board of Directors, and is a member of the Audit Committee of our Board. Ms. Taylor was the Chair of our Compensation Committee from May 1, 2013 to June 12, 2018. Ms. Taylor served as Chief Operating Officer of Qwest Communications, Inc., a telecommunications carrier, from August 2009 to April 2011. She served as Qwest’s Executive Vice President, Business Markets Group, from January 2008 to April 2009 and served as its Executive Vice President and Chief Administrative Officer from December 2005 to January 2008. Ms. Taylor served in various positions with Qwest and the former US West beginning in 1987. During her 24-year tenure with Qwest and US West, she held various leadership positions and was responsible for strategic planning and execution, sales, marketing, product, network, information technology, human resources and corporate communications. Ms. Taylor also is a director of First Interstate BancSystem, Inc., where she serves as chair of the Compensation Committee and NiSource, Inc. She also serves as an executive advisor to Governor Hickenlooper of Colorado, assisting the Office of Economic Development and International Trade. Ms. Taylor received a Bachelor of Science degree from the University of Wisconsin-LaCrosse. Ms. Taylor’s individual qualifications and skills that led to the conclusion that she should serve as a director include her extensive experience in the technology, media and the telecommunications sectors, including her knowledge regarding strategic planning and execution, technology development, human resources, labor relations and corporate communications.

Kelvin R. Westbrook

Portrait

Kelvin R. Westbrook has served as a director of our Company since April 30, 2013, is a member and chair of the Compensation Committee of our Board of Directors, and is a member of the Audit Committee of our Board. Mr. Westbrook was the Chair of our Nominating and Corporate Governance Committee from May 1, 2013 to June 12, 2018. Mr. Westbrook is President and Chief Executive Officer of KRW Advisors, LLC, a consulting and advisory firm, a position he has held since October 2007. Since 2003, Mr. Westbrook has also been a Director of Archer-Daniels-Midland Company (“ADM”). Mr. Westbrook currently serves as the Chairman of ADM’s Compensation/Succession Committee. Mr. Westbrook has also served as a director and member of the Audit Committee of Stifel Financial Corp. since August 2007, as a director of Angelica Corporation from February 2001 to August 2008 and as Trust Manager since May 2008, and chair of the Audit Committee since March 2012, of Camden Property Trust. Mr. Westbrook also served as Chairman and Chief Strategic Officer of Millennium Digital Media Systems, L.L.C. (“MDM”), a broadband services company, that later changed its name to Broadstripe LLC, from September 2006 until October 2007. Mr. Westbrook was also President and Chief Executive Officer of MDM from May 1997 until October 2006. Broadstripe, LLC (formerly MDM) and certain of its affiliates filed voluntary petitions for reorganization under Chapter 11 of the U.S. Bankruptcy Code in January 2009, approximately fifteen months after Mr. Westbrook resigned. Mr. Westbrook received an undergraduate degree in Business Administration from the University of Washington and a Juris Doctor degree from Harvard Law School. Mr. Westbrook’s individual qualifications and skills that led to the conclusion that he should serve as a director include his extensive experience on other public company boards, knowledge of the telecommunications industry, and legal, media, marketing and risk analysis expertise.