A three-year assistant with the Redhawks, Gerdeman has a total of 15 years of collegiate experience, including three years as a head coach.
Gerdeman assembled recruiting classes at Southeast Missouri State that helped the Redhawks more than double their win total in his three seasons on the staff. He helped develop Leon Powell, the nation's leader in field goal percentage and an all-conference performer in 2010-11.
The 1998 graduate returned to his alma mater after three years as head coach at Moberly Area Community College and nine years as an assistant coach - Mineral Area College (2004-06), Moberly (2001-03) and East Central College (1998-2001).
During his time in the juco ranks he helped recruit and develop 23 players who went on to NCAA Division I careers, including 2005 National Junior College Athletic Association (NJCAA) Player-of-the-Year Eddie Smith. He also mentored five NJCAA All-Americans, was part of three Region XVI championship teams and assisted Moberly to a fifth-place finish in the 2002 NJCAA National Tournament.
Gerdeman has a master's degree in education from Central Methodist University. He and his wife, Angie, have two children, Alyssa and Karson.