Retired Chairman, Chief Executive Officer and Director of Wyman-Gordon Company, a manufacturer of forging, investment casting and composite airframe structures for the commercial aviation, commercial power and defense industries. Mr. Gruber, now age 66, joined Wyman-Gordon in 1991 and retired in 1999. He is a Distinguished Life Member of the Materials Information Society (ASM), Chairman of the Worcester Polytechnic Institute Mechanical Engineering Advisory Committee, and a member of the boards of directors of Stone Panels, Inc., Nanoscale Components, Inc. and Worcester Municipal Research Bureau. He has a B.S. degree from Ohio State University.