Mark grew up in south Kansas City and graduated from Hickman Mills High School. He received his Bachelor's in business marketing from Clark Atlanta University where he played four years of college baseball. Mark later earned his teaching certification and has been a classroom teacher and coach over the last several years until beginning his service in the Missouri General Assembly.
Mark is a member of Concord Fortress of Hope, Freedom Inc., Historical Society of New Santa Fe, NAACP, Negro Leagues Baseball Museum, Sierra Club, South Kansas City Alliance and South Kansas City Chamber of Commerce.