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Leadership Team

Syniverse Team

– President and Chief Executive Officer, Director
Stephen C. Gray

A member of the Syniverse Board of Directors since January 2011, Stephen C. Gray serves as the company's President and Chief Executive Officer. With more than 25 years of experience in the telecommunication industry, Mr. Gray is the Founder of Gray Venture Partners, LLC, and he serves as the Chairman of ImOn Communications, LLC, SecurityCoverage, Inc., Involta, LLC, and HH Ventures, LLC (d/b/a, ReadyMobile). In addition to Syniverse, he is a member of the Board of Directors for CommScope, which is a portfolio company of The Carlyle Group, one of the world's premier and most successful private equity firms. Mr. Gray also previously served as an Operating Executive with Carlyle's Global Telecommunications, Media and Technology Group. Previously, Mr. Gray served in leadership positions at McLeodUSA, MCI, and TelecomUSA. Mr. Gray earned his Bachelor of Business Administration from the University of Tennessee. In 2014, he was recognized for his leadership in mobile by being named a member of the prestigious Global Telecoms Business Power 100 list and appointed to the CTIA-The Wireless Association's executive committee.

– General Counsel and Senior Vice President
Laura E. Binion

Laura E. Binion joined Syniverse as general counsel and senior vice president in June 2008. She brings more than 25 years of experience in corporate legal affairs to Syniverse. Most recently, she served as executive vice president and general counsel for CheckFree Corporation, a leading provider of financial electronic commerce services and products that was acquired in December 2007 by Fiserv Inc. Ms. Binion also held key roles with Verizon Wireless, GTE Wireless and Contel Cellular. She earned her law degree from the University of Georgia School of Law and her bachelor's degree in political science from the University of Georgia.

– Chief Marketing Officer
Mary Clark

Mary Clark was named Chief Marketing Officer in early 2014 and leads Syniverse’s product marketing, corporate communications, branding, digital strategy, strategic events and industry relations. Previously, she served as Senior Vice President of Next-Generation Roaming Services and Standards, and, prior to that, Senior Vice President of Roaming. In these roles, Ms. Clark spearheaded new product introductions in Syniverse’s Real-Time Intelligence and strategic consulting services, defined Syniverse’s LTE strategy from concept to product introduction, and played a strategic leadership role in Syniverse’s acquisition of MACH. Prior to joining Syniverse, in a career in mobile that has spanned more than 20 years, she held several executive-level positions at MACH, CTIA-The Wireless Association, Cibernet and CellularOne.

Ms. Clark is an Associate Director for the Competitive Carriers Association and also serves on the CMO Council North America Advisory Board. She has been named to the Global Telecoms Business list of “50 CMOs to Watch” and recognized as one of the most innovative CMOs in the world by Hot Topics. She earned a Bachelor of Arts in communications from the University of Delaware.

– Chief Human Resources Officer
Leigh Hennen

Leigh Hennen is chief human resources officer for Syniverse. Joining the company in August 2006, Ms. Hennen brought to Syniverse more than 30 years of experience in human resources, learning and development, organization development and alignment, change leadership, communications, strategic planning, and integration of mergers and acquisitions. Before joining Syniverse, she was vice president of human resources for Emdeon Business Services, and previously was senior vice president of human resources for Ceridian Human Resource Solutions. Her international experience includes assignments in the United Kingdom and Canada as well as human resource responsibilities for employees in France and Costa Rica. Ms. Hennen is the co-author of two books: Whole-Scale Change: Unleashing the Magic in Organizations and The Whole-Scale Change Toolkit.

– Executive Vice President, Global Product Management and Development
David Hitchcock

David Hitchcock joined Syniverse in 2007 and serves as Executive Vice President, Global Product Management and Development, responsible for leading Syniverse’s investment in key growth areas, development of new products and managing the profitability of the company’s product lines. Previously, Mr. Hitchcock was Syniverse’s Chief Financial and Administrative Officer. Mr. Hitchcock has over 25 years of experience in corporate finance, mainly with AT&T and Lucent Technologies, holding a wide range of key financial leadership roles, including Chief Financial Officer of North America for Alcatel-Lucent, Corporate Controller for Lucent Technologies and Business Operations and Financial Vice President for Lucent Worldwide Services. Mr. Hitchcock is a member of and has previously sat on the Board of Directors for the Florida Institute of Chief Financial Officers. He earned both his bachelor’s degree in accounting and master’s degree in business administration from Wake Forest University, and he is a certified public accountant.

– Senior Vice President, Strategy
Ed Lewis

Ed Lewis oversees the development and execution of Syniverse’s long-range strategic plans and their tactical incubation, including the ideation of new products through concept development to commercial deployment. Before joining Syniverse in 2013, Mr. Lewis worked for two decades as an entrepreneur and executive in the wireless, media and Internet markets. He led two services firms, Belden Partners and RCBG; founded two technology companies, Group Gift Service and Media Chaperone; and served as a founding board member for the Application Developers Alliance. Prior to these roles, Mr. Lewis served in executive marketing and business development positions for technology companies that included IPIX (later acquired by Sony), Motorola and Telular. He holds a Master of Business Administration and a Bachelor of Arts in psychology and communications from the University of Iowa.

– Chief Information Officer
John McRae

John McRae joined Syniverse in 2007 and has built a career encompassing more than 20 years of leadership positions for leading mobile, financial services and strategic consulting companies. In July 2014, he was named Chief Information Officer, for which he maintains responsibility for Syniverse’s technical and customer operations globally, including network and data center operations, service delivery, information security, desktop support, and implementation and customer support for the Mobile Transaction Services business. Prior to becoming CIO, Mr. McRae served as Senior Vice President and General Manager of Enterprise and Intelligence Solutions and Senior Vice President of Global Customer Operations, overseeing a wide range of Syniverse customer support operations worldwide. Prior to Syniverse, he was CEO of Nationwide Credit, a global provider of customer-relationship and accounts-receivable management services. Earlier, Mr. McRae held senior operations and consulting positions at several companies, including Emdeon and Deloitte Consulting. He holds a bachelor’s degree in finance and accounting from the University of Michigan, Dearborn, and an MBA in operation and management from Case Western Reserve University.

– President, Enterprise Solutions
Dave Ratner

Dave Ratner joined Syniverse in 2016 and leads Syniverse’s Enterprise Solutions portfolio, including business development, sales, product management, technology and development, implementation, support, and service, as President, Enterprise Solutions. Dr. Ratner brings more than 18 years of executive experience with leading mobile, software and technology companies. Prior to joining Syniverse, he served as CEO and President of Openwave Messaging, a messaging, communication and security solutions provider. Previously, Dr. Ratner was a special adviser to a number of CEOs and senior-level executives, including the CEOs at Openwave Systems and SpeechCycle, and before that he was the Chief Operating Officer and Senior Vice President at SEVEN Networks. Earlier, Dr. Ratner served as Senior Vice President at Carrier Access as well as several vice president, director, and related roles for Openwave Systems and Software.com, where he began his career. He holds bachelor’s degrees in computer science and mathematics from Cornell University, and a master’s and a doctorate in computer science from the University of California at Los Angeles.

– Chief Financial Officer
Bob Reich

Robert (Bob) Reich joined Syniverse in 2015 and serves as the company’s Chief Financial Officer. Mr. Reich brings more than 25 years of financial management experience and has held a number of senior positions with leading private-equity sponsored and public companies. He most recently was Senior Vice President and Chief Financial Officer of Hawaiian Telcom Communications, leading all aspects of financial operations for the company. Mr. Reich has served in numerous financial leadership positions, including roles with McLeodUSA, Wisconsin Central Transportation Corporation, and Deloitte & Touche. He is a certified public accountant and holds a bachelor’s degree in business administration from Carthage College.

Board of Directors

– Chairman of the Board
James A. Attwood

James A. Attwood, Jr. joined The Carlyle Group in November 2000 as a Managing Director and head of the Global Telecommunications and Media group based in New York. Under Mr. Attwood's leadership, Carlyle has committed more than $8.5 billion of equity in telecom and media investments globally since 2001. Mr. Attwood serves as a member of the Boards of Directors of CoreSite Realty, Insight Communications and The Nielsen Company. Prior to joining Carlyle, Mr. Attwood served as Executive Vice President for Strategy, Development and Planning at Verizon Communications, Inc. At Verizon (and GTE prior to that), he was responsible for the oversight of all strategic planning, alliances, ventures, corporate strategy, development and M&A activities. He was a key player in several industry-shaping transactions including the merger of Bell Atlantic and GTE (creating Verizon) and the creation of Verizon Wireless (a joint venture among GTE, Bell Atlantic and Vodafone Airtouch). Prior to his four years at Verizon and GTE, Mr. Attwood served as an investment banker at Goldman, Sachs & Co. for 11 years, working in both the New York and Tokyo offices. Mr. Attwood graduated summa cum laude from Yale University in 1980 with a B.A. in applied mathematics and an M.A. in statistics. In 1985, he received both J.D. and M.B.A. degrees from Harvard University.

– Vice Chairman
Tony Holcombe

Tony G. Holcombe has been a member of Syniverse’s Board of Directors since 2003 and led the company’s operations as president and CEO from 2006 to 2011. During his time as CEO, Mr. Holcombe’s many accomplishments included diversifying the business through several key acquisitions; defining a strategic vision that transformed Syniverse from a North American roaming and clearing house provider to a leading global provider of technology and business services to the mobile industry; and solidifying The Carlyle Group as the company’s single investor in January 2011 for $2.6 billion. Before becoming Syniverse’s President and CEO, Mr. Holcombe served as president of Emdeon Corp., formerly WebMD, and as president of Emdeon Business Services. Mr. Holcombe has more than 20 years of executive-level experience in the transaction processing and technology services industry. He was chief executive officer of Valutec Card Solutions and served in various executive positions at Ceridian Corporation, including executive vice president of Ceridian Corporation, president of Ceridian Employer Employee Services and president of Comdata. Mr. Holcombe received his bachelor’s degree from Georgia State University, where he currently serves on the Board of Advisors for the Robinson College of Business.

– President and Chief Executive Officer
Stephen Gray

A member of the Syniverse Board of Directors since January 2011, Stephen C. Gray serves as the company’s President and Chief Executive Officer. With more than 25 years of experience in the telecommunication industry, Mr. Gray is the Founder of Gray Venture Partners, LLC, and he serves as the Chairman of ImOn Communications, LLC, SecurityCoverage, Inc., Involta, LLC, and HH Ventures, LLC (d/b/a, ReadyMobile). In addition to Syniverse, he is a member of the Board of Directors for CommScope, which is a portfolio company of The Carlyle Group, one of the world’s premier and most successful private equity firms. Mr. Gray also previously served as an Operating Executive with Carlyle’s Global Telecommunications, Media and Technology Group. Previously, Mr. Gray served in leadership positions at McLeodUSA, MCI, and TelecomUSA. Mr. Gray earned his Bachelor of Business Administration from the University of Tennessee. In 2014, he was recognized for his leadership in mobile by being named a member of the prestigious Global Telecoms Business Power 100 list and appointed to the CTIA-The Wireless Association’s executive committee.

– Director
Kristen Ankerbrandt

Appointed to the Board of Directors in 2014, Kristen Ankerbrandt is a Principal in the U.S. Buyout Fund at The Carlyle Group focused on investment opportunities in the telecommunications, media and technology sectors. At Carlyle, she is responsible for sourcing, executing and managing leveraged buyouts and growth equity investments in the TMT sector globally. Prior to taking her position at Carlyle in 2007, Ms. Ankerbrandt held positions at Goldman, Sachs & Co. in the telecommunications and media investment banking group, private equity firm Bruckmann, Rosser, Sherrill & Co., and Amazon. Ms. Ankerbrandt received a bachelor’s degree in economics from Columbia University and a master’s degree in business administration from the Harvard Business School.

– Director
Kevin L. Beebe

Kevin L. Beebe has been President and Chief Executive Officer of 2BPartners, LLC, a partnership that provides strategic, financial and operational advice to investors and management, and whose clients include Carlyle Group, GS Capital Partners, KKR and TPG Capital since November 2007. Previously he was Group President of Operations at ALLTEL Corporation, a telecommunications services company, from 1998 to 2007. From 1996 to 1998, Mr. Beebe served as Executive Vice President of Operations for 360° Communications Co., a wireless communications company. Mr. Beebe has been a director of Skyworks Solutions, Inc., a semiconductor company, since January 2004, SBA Communications, a wireless tower service company, since October 2009 and Nextel International, a wireless carrier, since July 2010. He also has served on the Board of Sting Communications, a private provider of distance learning and distance health applications, since 2008.

– Director
Julius Genachowski

Appointed to the Board of Directors in 2014, Julius Genachowski is a Managing Director in the U.S. Buyout team for The Carlyle Group, and a long-time leader in technology, media and telecommunications. Mr. Genachowski served as Chairman of the Federal Communications Commission from 2009 to 2013 and, under his leadership, the FCC took major actions to extend broadband access, accelerate the rollout of advanced mobile networks, and free up spectrum for wireless communications. Prior to his appointment to the FCC, Mr. Genachowski worked for more than a decade in the private sector, helping build IAC/InterActiveCorp, which owned and operated multiple Internet and media businesses, including Expedia, Ticketmaster and USA Network. During this period, Businessweek named Genachowski one of 25 “managers to watch” in the media sector. Mr. Genachowski has served as a board member and adviser to several public and private companies, been a Senior Fellow at the Aspen Institute, and taught a joint class at Harvard Business School and Law School. He holds a bachelor’s degree from Columbia College, a part of Columbia University, and a law degree from Harvard Law School, where he served on the Harvard Law Review.

– Director
Mark J. Johnson

Mark J. Johnson became a director of the Company in January 2011. He is the co-founder and serves as Managing Partner at Astra Capital Management, a private equity firm that primarily invests in communications and technology sectors. Prior to founding Astra Capital Management, Mr. Johnson was a Managing Director in the U.S. Buyout Fund at Carlyle where he was responsible for sourcing, executing and managing leveraged buyouts and growth equity investments in the communications sector globally. Prior to joining Carlyle, Mr. Johnson was a member of the private equity team at the Blackstone Group where he executed private equity investments in an array of industries. Mr. Johnson has also worked at JH Whitney & Co., Level (3) Communications and Merrill Lynch. Mr. Johnson served as a member of the Obama ‘08 Telecommunications, Media & Technology Policy Group and both the Technology, Innovation and Government Reform (TIGR) and Commodity Futures Trading Commission Agency Review transition teams. Mr. Johnson is a graduate of Princeton University and received a master’s degree in business administration from the Harvard Business School. Mr. Johnson has served as a member of the board of directors of Insight Communications, TRW Automotive Holdings and the governing board of St. Albans School. We believe Mr. Johnson’s experience in the private equity market, including his previous experience at Carlyle, our largest shareholder, qualifies him to serve on our Board of Directors.

– Director
Raymond Ranelli

Raymond Ranelli retired from PricewaterhouseCoopers (“PwC”) in 2003 where he was a partner for over 21 years. Mr. Ranelli held several positions at PwC including Audit Partner, Transaction Services Partner, Managing Partner of the Washington D.C. Regional Offices and Vice Chairman and Global Leader of the Financial Advisory Services practice with operations in twenty countries.

Mr. Ranelli is now a Senior Advisor to Welsh, Carson, Andersen and Stowe (“WCAS”) where his responsibilities include ensuring best practices on Audit Committees. Since his retirement Mr. Ranelli has served as chairman of eight different Audit Committees, both public and private, for portfolio companies of the Carlyle Group and WCAS.

Mr. Ranelli has held executive positions in several charitable and community organizations. He received Lifetime Achievement Awards from the Leukemia and the National Kidney Associations.