Marciniak was raised in Chicago and played football for Mount Carmel High School.
[1][2][3] After graduating from high school, Marciniak attended the University of Michigan starting in 1955.
[7] After retiring from football, Marciniak worked as a sales representative for Bliss & Laughlin in Harvey, Illinois.
He was also a member of Chicago Mayor Richard J. Daley's commission on human relations in the 1960s.
[8] In 1991, Marciniak was named to the all-time football team from Mt.