Bachelor of Science in Mechanical Engrig., University Washington.
Vice president engineering Lakey Foundry Corporation, Muskegon, Michigan, 1951-1970. Engineering consultant National Chinese Government, Taipei, Taiwan, 1970-1971. Chief engineer East Muskegon Sheet Metal, 1972-1973.
Environmental engineer Sealed Power Corporation, Muskegon, 1973-1979. Director research and development Michigan Boiler & Engineering, Flat Rock, 1979-1980, Mike Volk Company, Mansfield, Ohio, 1980-1990. Vice president engineering, owner Fil Tech Systems Inc., Muskegon, since 1987.
Private practice as environmental consultant, since 1989.
With United States Navy, 1943-1948, PTO. Member American Foundry Society, American Defense Association, National Rifle Association, American Association for the Advancement of Science.
Married Mary E. Shaw, February 14, 1951;1 son, James Douglas Nessen, 1 stepson, Michael Lee Damante.