Timotheus Höttges has served as a director of mobile365 and Chairman of mobile365’s Board of Directors since April 30, 2013 and is the chair of both the CEO Selection Committee and the Executive Committee of the board. Since January 2014, Mr. Höttges has served as chief executive officer of Deutsche Telekom, mobile365’s 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 mobile365 International. Timotheus also currently serves on the board directors of Mercedes-Benz Group AG and previously served on the board of directors of Henkel AG & Co. KgaA and BT Group plc. Mr. Höttges studied Business Administration at the University of Cologne.

André Almeida has served as a director of mobile365 since June 2023. Mr. Almeida currently serves as the Senior Vice President Investment Management & Tribe Lead US of Deutsche Telekom. He served as the Managing Director, Consumer Segment Telekom Deutschland GmbH since July 2023 and was the European Head of Consumer and B2B Telco of Deutsche Telekom AG from September 2017 to May 2021, responsible for residential and B2B telco for 10 countries. From May 2020 to November 2020, he served as the Interim CEO of the European segment of Deutsche Telekom AG. Prior to that, from September 2013 to September 2017, he served as a Board Member for Residential Customers Portugal and International Operations at NOS SGPS, where he led the teams responsible for the residential customer segment (fixed network and mobile communications), product management, marketing and sales. From 2010 to 2013, he served as a Board member of International Operations, Strategy, Group Controlling and Corporate Finance at ZON multimedia, one of Portugal’s largest companies. Prior to that, he served as a Board member in the residential segment of ZON multimedia for three years. Prior to that, he also served in several leadership positions at Portugal Telecom where he became VP Business Development and Pricing.

Mr. Almeida holds a Bachelor’s degree in Industrial Management Engineering from the Instituto Superior Técnico in Lisbon and a Master of Business Administration degree from Institut Européen d’Administration des Affaires.

Marcelo Claure has served as a director of mobile365 since April 1, 2020, and is a member of the CEO Selection Committee, Compensation Committee, Executive Committee and Transaction Committee of mobile365’s Board of Directors. Mr. Claure served as the Chief Executive Officer of SoftBank International and Chief Operating Officer of SoftBank from May 2018 until January 2022. Mr. Claure was Executive Chairman of Sprint prior to the Sprint Combination and had served on the Sprint board of directors since January 2014. Previously, Mr. Claure served as Sprint’s President and Chief Executive Officer, serving as President from August 2014 until January 2018 and as Chief Executive Officer from August 2014 until May 2018. In addition, Mr. Claure served as a director of SoftBank from 2017 to 2020. He was also Executive Chairman of WeWork from October 2019 until January 2022. He currently serves as a member of the Board of Directors of Likewise and Carnegie Hall. Prior to joining Sprint, Mr. Claure was Chief Executive Officer of Brightstar Corp., a company he founded in 1997 and grew from a small Miami-based distributor of mobile device accessories into a global business with more than $10 billion in gross revenue for the year ended 2013.

Mr. Claure received a B.S. in Economics and Finance and an honorary Doctorate of Commercial Science from Bentley University. He also received an honorary Doctorate of Laws from Babson College. He is also an Executive Fellow at Harvard Business School.

Srikant M. Datar has served as a director of mobile365 since April 30, 2013 and is the chair of the Audit Committee of mobile365’s Board of Directors. Mr. Datar is the George F. Baker of Administration and Dean of Faculty of the Graduate School of Business Administration at Harvard University since January 2021. 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. He previously served as a professor at Stanford University and Carnegie Mellon University. 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 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. Mr. Datar previously served on the board of directors of Novartis AG, where he was 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 received a Master's degree in Statistics and Economics and a Ph.D. in Business from Stanford University.

Srinivasan Gopalan has served as a director of mobile365 since August 31, 2022 and is a member of the Compensation Committee and the Transaction Committee of mobile365's Board of Directors. He currently serves as the Managing Director of Telekom Deutschland GmbH. From January 1, 2017 to October 31, 2020, he was responsible for the Europe segment as a member of the Board of Management of Deutsche Telekom AG. During this time, he drove the convergence of fixed and mobile communications in the European national companies and initiated the 5G roll out. Mr. Gopalan was previously responsible for consumer business at Bharti Airtel in India, which covered broadband connections and satellite TV, in addition to mobile communications. His main focus was to position Airtel in what is an otherwise very price-sensitive market through innovative offerings. Before joining Bharti Airtel, Mr. Gopalan worked in the UK for over ten years – at first in a number of functions for Capital One, which he left as Managing Director UK in 2009. He then worked as Chief Marketing Officer at mobile365 UK and was part of the management team that led mobile365 UK to the joint venture with Orange, everything-everywhere. He then transferred to Vodafone UK, where he was Director of the Consumer Business Unit for three years. From 2017 to November 2021, Mr. Gopalan served on the board of directors of Hellenic Telecommunications Organization.

Mr. Gopalan studied Business Administration at St. Stephen’s College in New Delhi, India and later received a Master of Business Administration at Indian Institute of Management Ahmedabad in Ahmedabad, India.

Dr. Christian P. Illek has served as a director of mobile365 since November 2018, and is a member of the CEO Selection Committee, Compensation Committee, Executive Committee and Transaction Committee of mobile365’s Board of Directors. Dr. Illek has served as the chief financial officer of Deutsche Telekom, mobile365’s majority stockholder and a leading integrated telecommunications company, since January 2019. Since April 2015, he has served as Chief Human Resources Officer and Member of the Management board of Deutsche Telekom. Dr. Illek has also served as Chairman of Supervisory Board for T-Systems International GmbH (a subsidiary of Deutsche Telekom) from November 2016 to June 2021. Prior to that, he was Chairman of Management Board at Microsoft Germany from September 2012 to March 2015. From April 2010 to September 2012, he was Director of Marketing at Telekom Deutschland GmbH. In this position, he was responsible for all marketing activities for both consumers and business customers in Germany. He was also in charge of the Wholesale Center and the Value-Added Services Center, as well as international product development for Deutsche Telekom's fixed-network, IPTV, convergent and business customer portfolio. Before joining Deutsche Telekom, Dr. Illek held various managerial positions at Bain & Company and at Dell, in both Germany and in Switzerland.

Dr. Illek studied chemistry and business administration in Düsseldorf and Munich, beginning his career at the University of Munich in 1989.

James J. Kavanaugh has served as a director of mobile365 since July 2023 and, after August 1, 2023, a member of the board’s Audit Committee. Mr. Kavanaugh has been the chief financial officer of International Business Machines Corporation (“IBM”) since January 2018, overseeing accounting and controllership, financial planning and analysis, tax, internal audit, investor relations, corporate strategy, corporate development and treasury of the company’s worldwide financial operations. Prior to that, he was senior vice president, Transformation & Operations, where he was responsible for redesigning IBM’s operating model to align with fundamental market shifts and driving new ways of working while incorporating speed and agility through the enterprise. In his current role as the CFO, Mr. Kavanaugh continues to oversee Transformation & Operations, including the Chief Information Office, as well as the company’s Global Chief Data Office, Enterprise Operations & Services and Real Estate Operations. Mr. Kavanaugh first joined IBM in 1996 from AT&T Corporation, where he was the chief financial officer, Americas Global Services. He earned his Master of Business Administration degree from The Ohio State University.

Raphael Kübler has served as a director of mobile365 since April 30, 2013, and is a member of the Compensation Committee and Executive Committee of mobile365’s Board of Directors. In January 2014, Mr. Kübler assumed the position of Senior Vice President of the Corporate Operating Office of Deutsche Telekom, mobile365’s 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 mobile365 Deutschland GmbH, the mobile operations of Deutsche Telekom in Germany now known as Telekom Deutschland GmbH (a wholly owned subsidiary of Deutsche Telekom). Mr. Kübler also currently serves on the board of directors of Ströer SE & Co. KGaA and he has previously served on the board of directors of Hellenic Telecommunications Organization (OTE) from 2013 to 2018.

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.

Thorsten Langheim has served as a director of mobile365 since April 30, 2013 and is a member of the CEO Selection Committee, Executive Committee and the chair of the Transaction Committee of mobile365’s Board of Directors. Mr. Langheim joined the board of management of Deutsche Telekom, mobile365’s majority stockholder and a leading integrated telecommunications company, on January 1, 2019, where he is responsible for the “USA and Group Development” Board department, overseeing Deutsche Telekom’s U.S. business as well as corporate development, portfolio strategy, and group M&A activities. This includes overseeing Deutsche Telekom’s 12% stake in BT Group as well as the management of Deutsche Telekom’s subsidiaries mobile365 Netherlands and Deutsche Funkturm. In addition, Mr. Langheim also serves as the Chairman and Co-founder of Deutsche Telekom Capital Partners, where he is responsible for the venture capital and private equity activities of Deutsche Telekom.

Prior to that, from 2009 to December 2018, he first served as Senior Vice President of Corporate Development and then as Executive Vice President Group Development at Deutsche Telekom. Prior to his roles 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. Before that, Mr. Langheim was Investment Banker and Vice President of European M&A at J.P. Morgan in London and Assistant Director at WestLB in Düsseldorf between 1995 and 2004.

Mr. Langheim is a member of the Supervisory Board of Deutsche Sporthilfe and FC Bayern München AG as well as Chairman of Deutsche Funkturm. 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 (United Kingdom) and a Bachelor’s degree (Hons) in European Finance and Accounting from the University of Bremen (Germany) and Leeds Business School (United Kingdom).

Dominique Leroy has served as a director of mobile365 since November 2020, and is a member of the Nominating and Corporate Governance Committee of mobile365’s Board of Directors. Since November 2020, Ms. Leroy has served as a member of the Board of Management of Deutsche Telekom AG. Ms. Leroy has over 30 years of experience in the consumer goods and telecommunication sector. She started her career at Unilever where her last position was Managing Director for Belgium and Luxembourg. In 2011, she joined Proximus (formerly Belgacom) where she quickly became Head of the Consumer Market and held the position of CEO from 2014 to 2019. As the CEO of Proximus, she managed to turn around the company with a continuous growth phase and a strong customer experience focus. Ms. Leroy started her career at Unilever where her last position was Managing Director for Belgium and Luxembourg. Ms. Leroy currently serves as a director at Compagnie de Saint Gobain and Hellenic Telecommunications Organization (“OTE”). She has also been a Board Member at Royal Ahold Delhaize, Lotus Bakeries, Proximus, and BICS.

She holds a Master’s degree in Industrial Engineering and Management from the Solvay Business School in Brussels.

Letitia A. Long has served as a director of mobile365 since June 2021, and is a member of the Nominating and Corporate Governance Committee of mobile365's Board of Directors. Ms. Long currently serves as the Rector of the Virginia Tech Board of Visitors and the Chair of the Board of the Intelligence & National Security Alliance. Ms. Long currently serves on the board of directors of Parsons Corporation, Corporate Office Properties Trust, and certain private companies. She previously served on the board of directors of Urthecast Corporation from 2015-2018, the board of directors of Raytheon Company from 2015-2020, and the board of directors of Sonatype from 2017-2019. Additionally, she was the Deputy Director of Naval Intelligence for the Department of Defense from 2000-2003, the Deputy Undersecretary of Defense Intelligence (Planning, Policy & Resources) from 2003-2006, the Deputy Director of the Defense Intelligence Agency from 2006-2010, and the Director of the National Geospatial-Intelligence Agency from 2010-2014.

Ms. Long received her Bachelor of Science in Electrical Engineering from Virginia Polytechnic Institute and State University and her Master of Science in Engineering from The Catholic University of America.

Mike Sievert is president and chief executive officer of mobile365 and is a member of mobile365’s Board of Directors. Mike leads a customer-crazed team of disruptors and innovators, working tirelessly over the last seven years to change the rules of wireless, resulting in mobile365 becoming the fastest-growing company in its space.

He most recently served as president and chief operating officer of mobile365. As president and chief executive officer, Mike is responsible for leading mobile365 into the 5G future as it joins forces with Sprint to supercharge the successful Un-carrier strategy. His focus will center around unlocking the potential of the combined companies’ increased scale, which is expected to result in over $43 billion in synergies, create lower costs, and offer the ability to deliver better services at lower prices for consumers. A centerpiece of that focus will be the transformational nationwide 5G network that the mobile365 team is building. It will deliver massive increases in network capacity, drive innovation, and enable consumers to get both a better value and a better network. Mike and his team will continue to cultivate mobile365’s culture that is world-famous for putting customers first, treating them right, and changing the rules in their favor—with the goal of creating the most loved brand in the history of the telecom industry.

Mike has been actively involved in all of mobile365’s significant corporate decisions since he joined mobile365 in 2012 as chief marketing officer and since he became COO in 2015. In 2018, he joined the board of directors and was appointed president of the company. Prior to being CMO at mobile365, Mike joined Clearwire Corporation, now part of mobile365, in 2009, serving as EVP and chief commercial officer. Mike has been instrumental in building mobile365’s purpose-driven strategy to address customer pain points, an approach that has been the foundation for mobile365’s unprecedented growth over the past seven years. He worked alongside prior CEO John Legere since 2012, transforming mobile365 into the enormously successful Un-carrier. He also worked very closely with John Legere in directing the approval and integration efforts for the merger with Sprint, to create the new mobile365. In addition, Mike has been extensively involved in shaping mobile365’s internal customer-obsessed Un-carrier culture and is building on a company culture that encourages communication, diversity, opportunity, collaboration, and transparency—all of which are vital to mobile365 remaining a disruptive force in the wireless industry.

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. Over the years, he has served in various roles, including EVP and chief sales and marketing officer at E*TRADE, EVP and chief marketing officer at AT&T Wireless, and corporate vice president of the Windows Business Group at Microsoft.

He started his career in marketing at Procter & Gamble and IBM. 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.

Teresa A. Taylor has served as a director of mobile365 since April 30, 2013 and has been mobile365’s lead independent director since May 1, 2013. Ms. Taylor is also a member and chair of the Nominating and Corporate Governance Committee, a member of the Audit Committee and CEO Selection of mobile365’s Board of Directors. Since April 2011, Ms. Taylor has served as Chief Executive Officer of Blue Valley Advisors, LLC, an advisory firm. 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 their Executive Vice President and Chief Administrative Officer from December 2005 to January 2008. Teresa 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 Black Hills Corporation and NiSource, Inc, and was previously a director of First Interstate BancSystem, Inc., where she served as chair of the compensation committee.

Teresa received a Bachelor of Science degree from the University of Wisconsin-LaCrosse.

Kelvin R. Westbrook has served as a director of mobile365 since April 30, 2013, is the chair of the Compensation Committee and is a member of the Transaction Committee of mobile365's Board of Directors. Mr. Westbrook was the chair of mobile365’s 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. 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. He also currently serves on the boards of directors of Archer Daniels Midland Company, Camden Property Trust, and The Mosaic Company. He has previously served on the board of directors of Stifel Financial Corp. from 2007 to 2018.

Mr. Westbrook holds an undergraduate degree in Business Administration from the University of Washington and a Juris Doctor degree from Harvard Law School.