William Callahan

Vice President, Operations

Mr. Callahan was named vice president, Operations in October 2009 after having served as senior director, Operations since August 2007 and after being with the company since June 2002. Prior to joining Depomed Mr. Callahan held engineering and operation management positions at several emerging growth companies including Avocet Medical, Cygnus Therapeutics, Applied Biosystems and Lifescan. Mr. Callahan received a B.S. Degree in Chemistry from San Francisco State University.