Vonage Holdings Corp.

Jamie Haenggi was named Chief Marketing Officer in May 2007, and is responsible for overseeing Marketing, Retail Sales and Corporate Communications. Ms. Haenggi joined Vonage in November 2006 as Vice President of Customer Life, leveraging 15 years of experience marketing services for the home to consumers for Vonage. Prior to joining Vonage, Ms. Haenggi served as Vice President of Worldwide Marketing for ADT Security Services. Ms. Haenggi’s vast experience in the home security and protection industry also includes tenure as the head of marketing and acquisition integration at Holmes Protection and as the Director of National Guardian’s International Division. Ms. Haenggi is a graduate of the University of Minnesota with a B.A. in International Relations and Japanese. She lives in Fair Haven, NJ with her husband and two children.

John S. Rego joined Vonage as Chief Financial Officer in July 2002 and manages accounting, finance, business development, planning, taxation, facilities and investor relations. From 2001 to 2002, Mr. Rego served as Vice President of Finance for business operations at RCN Corporation. From 1998 to 2000, Mr. Rego served in a variety of corporate and operational finance positions at Winstar Communications, including Vice President of Finance for the SME, Internet, Web Hosting and Professional Services divisions. Additionally, Mr. Rego spent over 14 years in practice as a certified public accountant with international CPA firms.

Louis A. Mamakos has been our Chief Technology Officer since July 2004 and oversees all technology functions at Vonage, which include new product and services development, supervision of all research projects and integration of all technology-based activities into Vonage's corporate strategy. Prior to joining Vonage, Mr. Mamakos served as a Fellow for Hyperchip, Inc., a start-up that built scaleable, high-performance core routers, from July 2002 to May 2004. Prior to Hyperchip, Mr. Mamakos held various engineering and architecture positions at UUNET Technologies, now known as MCI, from 1993 to May 2002. Prior to UUNET Technologies, Mr. Mamakos spent nearly 12 years as Assistant Manager for Network Infrastructure at the University of Maryland, College Park.

J. Sanford (Sandy) Miller joined our board of directors in January 2004. Mr. Miller is a General Partner in Institutional Venture Partners (IVP), which he joined in April 2006. Prior to joining IVP Mr. Miller was a Senior Partner at 3i, which he joined in 2001. Prior to joining 3i, Mr. Miller co-founded Thomas Weisel Partners in 1998, where he was a Member of the Executive Committee, Chief Administrative and Strategic Officer and Co-Director of Investment Banking. From 1990 to 1998, Mr. Miller was a Senior Partner at Montgomery Securities, where he led the technology and healthcare groups. Previously, he was a Managing Director and ran the technology and healthcare investment banking divisions in San Francisco for Merrill Lynch from 1987 to 1990. Mr. Miller is a College Trustee at the University of Virginia and serves on the Management Board of the Stanford Graduate School of Business. Mr. Miller is our Lead Director.

John J. Roberts joined our board of directors in August 2004. Mr. Roberts served as Global Managing Partner for PricewaterhouseCoopers LLP from 1998 until his retirement in June 2002. From 1994 to 1998, Mr. Roberts served as Chief Operating Officer of Coopers & Lybrand, which merged with Price Waterhouse in 1998. He currently serves on the boards of directors and audit committees of Armstrong Holdings, Inc., Safeguard Scientifics, Inc. and the Pennsylvania Real Estate Investment Trust. He is a Member of the American Institute of Certified Public Accountants.

Mike Gordon was a founder of Meritech in 1999 and currently focuses on the communications equipment and service provider and semiconductor sectors. He has been directly involved with Airgo Networks, BigBand Networks, Calix Networks, Commverge Solutions, FiberTower, Integrated Solutions, Omneon Networks, TeleAtlas NV, Visto Corporation, Vonage Holdings Corporation. Mike joined Meritech Capital Partners from Deutsche Banc Alex. Brown where he was a Managing Director and Senior Research Analyst and focused on companies in the communications, networking, wireless data, semiconductor and service provider segments. Mike was the research analyst during the equity financings of Ciena Corporation, Broadcom Corporation, and JDS Uniphase Corporation and was recognized as a two-time Wall Street Journal All Star Analyst. Prior to joining Deutsche Banc Alex. Brown, Mike worked at Montgomery Securities and Salomon Brothers. He holds a B.A. in Economics and Public Policy from Stanford University.

Morton David joined our board of directors in August 2001. Mr. David served as the Chairman and Chief Executive Officer of Franklin Computer Corporation (later Franklin Electronic Publishers, Inc.) from 1983 to 1998. Mr. David currently serves on the board of directors of Sharper Image Corporation and previously served on the board of directors of Datek Online Holdings Corp. from 1998 until its acquisition by Ameritrade Holdings in 2002.