Background
Siefken, Mark W. was born on October 3, 1939 in Hankinson, North Dakota, United States. Son of Carl Hobart Siefken and Thelma Sylvia Stutlien.
Siefken, Mark W. was born on October 3, 1939 in Hankinson, North Dakota, United States. Son of Carl Hobart Siefken and Thelma Sylvia Stutlien.
Bachelor science chemistry, North Dakota State University, Fargo, North Dakota, 1957—1961. Doctor of Philosophy organic chemistry, University Wisconsin, Madison, Wisconsin, 1962—1967.
Research chemist 3M Corporation, St. Paul, 1969—1977. Vice president research and development Diversey, Chicago, 1977—1981, division manager Wyandotte, Michigan, 1981—1989. Vice president Texo/Nalco, Cincinnati, St. Paul, Minnesota, 1990—1996.
President Marpro, St. Paul, 1996—1998. Area manager Brulin, since 1998. Cpt United States Army, 1961-1967, Maryland.
Campaign manager Republican Party, Saint Paul, Minnesota, 1974—1974, delegate, 1970—1976. Member of American Chemistry Society.
Married Sharon Yvonne Heinzeroth, June 3, 1961. Children: Pamela, Michael, Tanya.