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Before joining Syniverse as CFAO in June 2020, Andrew Davies served as the CFO of Sprint Corporation from July 2018 until the closing of its merger with T-Mobile USA. Before that, he spent four years serving as Group CFO for Amsterdam-based VEON. Prior to joining VEON, Mr. Davies spent more than a decade with Vodafone Group holding CFO positions in Japan, Turkey, and India, before being named CFO of Verizon Wireless in the U.S., which at the time was a joint venture between Vodafone and Verizon Communications. He started his career with KPMG in Wales before serving in senior finance roles with GE, Honeywell, and the Caudwell Group in both the U.K. and the U.S. Mr. Davies graduated with an honors degree in mathematics from London’s Imperial College of Science, Technology and Medicine, is an Associate of the Royal College of Science, and is a Fellow of the Institute of Chartered Accountants in England and Wales. He serves on the CTIA Board of Directors. Additionally, Mr. Davies is a Wall Street Journal CEO Council member.

Mark Maddry brings 25 years of experience driving financial strategy in the telecommunications industry. At Syniverse, as EVP and CFO, he oversees global financial operations, including financial planning, reporting processes, and investor relations. Mark has been an integral part of the Syniverse leadership team since 2022, when he joined as Senior Vice President of Business Performance. During his tenure, he has been instrumental in strengthening investor confidence and driving financial excellence, while also extending his leadership to further strengthen Syniverse's finance organization.

Before joining Syniverse, Mark had a distinguished career at Sprint/T-Mobile, where he held progressively senior roles over more than two decades. In his prior role, Mark was Sprint’s Vice President of Planning and Analysis, playing a pivotal role in orchestrating the financial integration of the $26 billion merger between Sprint and T-Mobile. Mark also led transformative initiatives, long-term financial strategy, and process and system optimization. He also managed critical communications with the board and investor relations, steering strategic financial messaging to key stakeholders.

Mark holds a Master of Science degree from the University of Memphis and a Bachelor of Science degree from Western Carolina University.

Bill oversees Syniverse’s legal and corporate governance functions, bringing over 35 years of extensive legal and strategic experience.

During his career, Bill has served as an Assistant United States Attorney, the General Counsel of Verizon Wireless, the head of litigation and enforcement for Verizon Communications, and the General Counsel and Chief Operating Officer for the Philadelphia Museum of Art. He has also been an adjunct professor at the University of Pennsylvania Carey Law School.

Bill is a graduate of the University of Pennsylvania Carey Law School, where he served as the Editor-in-Chief of the University of Pennsylvania Law Review. He also holds an M. Div. from Yale University and B.A. from Ursinus College.

In this pivotal role, Ms. Rosa guides the organization’s global HR team and partners with senior leadership to develop and execute Syniverse’s people and culture strategy. This role encompasses organizational development, human resources, and diversity, equity, and inclusion (DEI) initiatives.

Rosa comes with an extensive background in the financial and banking sector. Most recently, she served as CHRO and Executive Vice President at Santander Consumer USA. Ms. Rosa has a proven track record in HR business partnering, organizational design and talent development, strategic partnership and planning, DEI, talent acquisition, and business transformation.

Ms. Rosa holds a bachelor’s degree in human services and psychology from Judson University. She is on the national board of directors for the Network for Teaching Entrepreneurship (NFTE) and is the 2024 chair-elect for The Concilio, a Dallas-based nonprofit dedicated to building stronger communities by unlocking opportunities for Latino families.

John Wick serves as Chief Product Officer and is responsible for the company’s global product portfolio, including product strategy, research and development, product management, and implementation. Previously, he was Syniverse’s Chief Technology officer overseeing technologies for its Carrier and Enterprise business units and Syniverse’s information technologies. During his career at Syniverse, Mr. Wick has been instrumental in the development and success of core products such as Syniverse Secure Global Access, IPX, messaging, and multiple 3G, 4G, and 5G signaling solutions. Mr. Wick joined Syniverse in 1993 and was initially responsible for managing the network operations department. He has held management positions in operations, research and development, technology, business development, and product management groups. Prior to joining Syniverse, Mr. Wick was a systems integrator with Verizon and, earlier, an electronic communications and switching systems technician for the U.S. Air Force. Mr. Wick graduated with bachelor’s and master’s degrees in business from Nova Southeastern University. He also holds an associate degree in electronic engineering technology from the Community College of the Air Force and is a certified Six Sigma Black Belt. Mr. Wick currently represents Syniverse on the board of the Competitive Carriers Association (CCA) and the Executive Advisory Board of the Innovative Operators (IO) association.

James A. Attwood, Jr. serves as Chairman of the Board of Syniverse. He is currently a Senior Advisor at The Carlyle Group, a global investment firm, whose Carlyle Partners V L.P. fund acquired a controlling stake in Syniverse in 2011. Attwood joined Carlyle in November 2000 and played a key role in leading the firm’s investment activity in the global telecommunications, media, and technology (TMT) industries for two decades. Before joining Carlyle, Attwood was Executive Vice President for Strategy, Development, and Planning at Verizon Communications. At Verizon (and GTE before that), he oversaw all strategic planning, alliances, ventures, corporate strategy, development, and M&A activities. Before his four years at Verizon and GTE, Attwood served as an investment banker at Goldman, Sachs & Co. for 11 years, working in the New York and Tokyo offices. Attwood graduated summa cum laude from Yale University with a BA in applied mathematics and an MA in statistics in 1980. He received JD and MBA degrees from Harvard University in 1985.

Mr. Beebe has served as a director of Syniverse since January 2011. In 2007, Mr. Beebe became the President and Chief Executive Officer of 2BPartners, LLC, a partnership that provides strategic, financial, and operational advice to private equity investors and management, and in 2014 Mr. Beebe became a founding partner of Astra Capital Management, a private equity firm in Washington, D.C. From 1998 to 2007, Mr. Beebe was Group President of Operations at Alltel Corporation, a telecommunications services company. Prior to joining Alltel, Mr. Beebe served as Executive Vice President of Operations at 360°Communications Co., a wireless communications company, from 1996 to 1998. Mr. Beebe also held numerous positions of increasing responsibility at Sprint Corporation, a telecommunications service company, including Vice President of Operations, from 1984 to 1995. Mr. Beebe graduated with honors from Kutztown University in 1981 with a bachelor’s degree in economics and received a master’s degree in economics from Bowling Green University in 1982. Mr. Beebe currently serves as a member of the board of directors of SBA Communications Corporation, a wireless infrastructure company; Skyworks Solutions, Inc., a provider of semiconductors; and Frontier Communications Corporation, a telecommunications provider. Until 2019, Mr. Beebe served on the board of directors of NII Holdings, Inc, a telecommunications company.

Jason joined Twilio in 2020 and currently holds the position of SVP & CFO, Twilio Communications. Prior to his current role, Jason served as SVP of Finance and GTM Operations for the Twilio Data & Applications (TDA) business unit, and also served as the VP of GTM Finance at Twilio, overseeing financial aspects related to sales, support, services, partners, marketing, and GTM operations.

Appointed to the Syniverse Board of Directors in 2016, Dan Mead previously served as the President and Chief Executive Officer of Verizon Wireless until his announced retirement, following 37 years with the company.

Mead is one of the founding senior executives of Verizon Wireless, the largest wireless company in the United States. As President and Chief Executive Officer, he had responsibility for the company’s growth, financial performance, and public policy advocacy. Mead has also held several senior positions in Verizon’s parent company, including President and CEO of its FiOS and wireline operations nationwide.

Mead was a member of the Verizon Foundation Board, former Chairman of the Board of Directors of CTIA, the wireless industry’s national trade organization, and a member of the Board of Trustees of the Pennsylvania State University. He also serves on the board of directors for Terrestar.

Mead earned an MBA and a bachelor’s degree in Quantitative Business Analysis and Finance from Penn State University. An Alumni Fellow, Mead received the Penn State Distinguished Alumni Award, the highest honor given to a graduate by the University.

Ameet joined Twilio in August 2018 and currently serves as Senior Director of Corporate Development where he is responsible for mergers & acquisitions and strategy. Mr. Rathod has executed numerous telecom related transactions while at Twilio. Mr. Rathod brings well over a decade of transaction and strategy experience as a member of the corporate development team at GlobalFoundries and as an investment banker advising technology and healthcare clients at Wedbush Securities, Merrill Lynch, and Deutsche Bank. Mr. Rathod is a graduate of UC Berkeley where he received a B.A. in Economics.