Kentrox Board of Directors

Jeff Estuesta

President and CEO, Kentrox

Jeff Estuesta joined Kentrox in January 2002 and became President and CEO in May 2003. Previously, Jeff held the positions of CFO and COO at Kentrox, CFO at Gage Industries, Director of Sales Operations for Tektronix, Inc., Director of Finance for Cray Research/SUN Microsystems, Canada country manager for Pillsbury's finance operations, Operation Controller for Hypro Corp. and Financial Manager for Control Data Corp. Jeff currently sits on the Board of Directors for Luke-Dorf, a Portland, Oregon non-profit healing community.

Jeff received his Bachelor of Science in Managerial Finance from St. Cloud University, Minnesota

Alex Guira

Managing Director, Investcorp

Alex Guira is a Managing Director with Investcorp Technology Partners of Investcorp International, a global Private Equity firm.

Before he joined Investcorp in 2002, Alex worked as a Partner at 212 Ventures in New York. He also held positions before that as President of Fairlawn Partners, Vice President of Scoggin Capital Management, and as an analyst at Drexel Burnham Lambert in New York. He currently sits on the boards of Antares, Dialogic, GENBAND, Kentrox, Softek and Vaultus.

Alex holds a BA in Business Economics and Organizational Business and Management from Brown University.

Greg Iverson

Executive Vice President of Business Development, Kentrox

Greg Iverson joined Kentrox in 1996 as Vice President of Marketing. Greg now has responsibilities for developing the overall business and long-range strategic planning for the company and management of the engineering, marketing, and sales organizations. Prior to Kentrox, Greg held senior positions at Interphase Corporation, ADC Fibermux, Micom Corp., and Prentice Corporation. Greg holds a Bachelor of Science degree in Electrical Engineering from DeVry Institute of Technology, Arizona.

Anand Radhakrishnan

Principal, Investcorp

Anand Radhakrishnan is a Principal with Investcorp Technology Partners of Investcorp International, a global Private Equity firm.

Anand joined the group in 2002. Previously, he was with The Carlyle Group in Washington, D.C., where he worked in the Venture Capital Group and at Robertson Stephens in San Francisco, where he was a member of the Technology Mergers and Acquisitions Team. He currently sits on the boards of Dialogic, Dotcast, Kentrox and Platform Solutions.

Anand holds a BS in Electrical Engineering and Computer Science from the Massachusetts Institute of Technology and an MBA with Distinction from the Harvard Business School.

Charles D. Vogt

President and CEO, General Bandwidth

Charles Vogt became President and CEO of General Bandwidth, a leading provider of converged services infrastructure solutions, in September 2004. Prior to joining General Bandwidth, Charles was President and CEO of Taqua and held executive leadership positions at Santera Systems, Accelerated Networks, and Ascend Communications. Earlier in Charles' career, he held sales executive positions at ADTRAN, Motorola and IBM. Charles also serves on the Board of Directors of Alliance for Telecommunications Industry Solutions (ATIS), Comptel and Kentrox and on the advisory board of start-up Personetta.

Vogt holds a Bachelor of Science in Economics and Computer Science from Saint Louis University.