Grand View University

Hallman begins his 25th year of college coaching and his 16th year as an assistant baseball coach with the Vikings.  He is a 3-time All-District, 2-time All-Area, and an All-American (1985), who was a captain on the 1984 and 1985 World Series teams.

Previously, he has nine years of college coaching experience, with six years at Johnson County Community College in Kansas, and three years at the University of Northern Iowa. In 2011, he was inducted into the Grand View Athletic Hall of Fame.

Hallman is currently the owner and lead instructor of Grand Slam U.S.A, an indoor baseball and softball training facility.