"These management changes will help us continue to capitalize on a broad range of market opportunities," said Richard M. McVey, MarketAxess Chairman and Chief Executive Officer. "Jim has made a tremendous contribution to the company as CFO and, in his new capacity, will leverage his strengths and experience on the operational side of the business to support important components of our long-term growth strategy. Tony brings to our executive team an outstanding grasp of public company accounting issues and extensive public company experience."

Mr. DeLise, 48, was Head of Accounting and Finance at MarketAxess, where he was responsible for financial regulatory compliance and oversight of all controllership and accounting functions. Prior to joining MarketAxess in July 2006, Mr. DeLise served for 11 years as Chief Financial Officer of PubliCard, Inc. From July 1983 through March 1995, he was a senior manager for Arthur Andersen LLP. Mr. DeLise holds a bachelor's degree in accounting from Fairfield University.

In his new role, Mr. Rucker assumes responsibility for client services and operations teams in New York and London. He will oversee Sarbanes-Oxley compliance and continue to chair the Company's Credit and Risk Committees. He will also work with other members of the Company's executive team on strategic development initiatives, support of the European and Technology Services businesses, and acquisition opportunities. Mr. Rucker has been with MarketAxess since the Company's formation in April 2000, initially serving as Head of Finance and Operations and as Chief Financial Officer since June 2004. From January 1995 to April 2000, Mr. Rucker was Vice President and Head of International Fixed Income Operations at Chase Manhattan Bank.