Joseph P. Walkush is an executive vice president and is responsible for leading strategic planning and Mergers and Acquisitions activities for the company. He is also the chairman of SAIC's Retirement Plan committee. Walkush has held various positions with SAIC from 1976 to 1979 and since 1981, including serving as a sector vice president from 1994 to 2000. From 1996 until 2007, Walkush served on the SAIC Board of Directors. Prior to joining SAIC, Walkush was a nuclear engineer at General Atomic Company.