From 1979 to 1984 he worked at Rockwell-Collins, Cedar Rapids, IA, where he designed navigation and electronic flight display systems. from 1984 to 1991, he worked at National Semiconductor, Santa Clara, CA, designing telecom components for ISDN. with Intel since 1992, he is currently a member of the Circuits Research Laboratory, Hillsboro, OR, engaged in a variety of advanced prototype design activities