Rimm was born in Pensacola, Florida and graduated from Wade Hampton High School in Greenville, South Carolina in 1993.
[1] Rimm then transferred to California State University, Los Angeles, where he averaged 4.7 points, 1.1 rebounds, and 0.7 assists in 19 games in 1996–97.
Rimm was head men's basketball coach at Prairie View A&M from the 2006–07 season until resigning on January 27, 2016.
[8] On August 28, 2019, he was named interim head coach of IUPUI for the 2019-20 season after Gardner's resignation stemming from an OWI arrest.
[9] On June 11, 2020, due to the ongoing COVID-19 pandemic, which forced the school to shut down their coaching search, IUPUI announced that Rimm would be retained for at least the 2020-21 season.