College: 2011: Earned NAC All-Freshman honors...Giesseman started 38 games for CUW, batting .361...Collected 39 hits, 21 RBI, 17 runs scored, and 1 HR...Also led team with 3 triples.

High School: Attended Sevastopol HS in Sturgeon Bay, Wis...Mariah was a 3-year varsity softball player...She was a two-time 1st team all-conference honoree, as well as the Packerland Co-Player of the Year in 2010...Giesseman also earned 3rd team all-state softball honors...She was a member of the Div. III WIAA State Championship team, and won WIAA Regionals 4x...Also lettered in cross country and basketball. 

Personal: Parents are Don and Gina...Has one brother, Cody.