Background
Thiessen, David Ray was born on August 22, 1940 in Winchester, Kentucky, United States. Son of Isaac Holzrichter and Margaret Grace (Richards) Thiessen.
Thiessen, David Ray was born on August 22, 1940 in Winchester, Kentucky, United States. Son of Isaac Holzrichter and Margaret Grace (Richards) Thiessen.
Bachelor of Science, Wheaton College, 1962. Master of Arts in Education, University Chicago, 1964. Master of Science in Physics, Purdue University, 1970.
Teacher, public schools, Wheeling, Illinois, 1964—1984, Deerfield, since 1984. Computer consultant School District 214, Mount Prospect, Illinois, 1980—1984, Micro Ideas, Glenview, Illinois, 1982, Lake County Computer Technology Consortium, Grayslake, Illinois, 1984, Micro Laboratories, Highland Park, Illinois, 1984, School District 113, Highland Park, 1984.
Soccer coach, 1977—1984. Member Soccer Parents Committee Arlington Heights, Illinois, 1979. Member of National Education Association, American Association Physics Teachers, Boats United States Club, Call Apple Club.
Married Ximena Ann Brumitt, August 1, 1965. Children: Timothy David, Tamara Ximena.