Born in Lubin, Germany, Stemke grew up in Green Bay, Wisconsin.
He was a 1972 honorable mention (third team) All American[1] and was inducted into the University of Wisconsin Green Bay Hall of Fame in 1993.
He was a founding member of the Green Bay Lightning Youth Soccer Club and coached at Preble High School.
He was inducted into the Wisconsin Adult Soccer Association (WASA) Hall of Fame in 1989.
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