Jeffrey A. Citron served as Vonage’s Chairman and Chief Executive Officer from January 2001 through February 2006. He resigned from his position as Chief Executive Officer and became the company’s Chief Strategist in February 2006. In 1995, Mr. Citron founded The Island ECN, a computerized trading system designed to automate the order execution process. Mr. Citron became the Chairman and CEO of Datek Online Holdings Corp. in February 1998 and departed The Island ECN and Datek in October 1999.