Aaron Klett returns for his 13th season as head coach in 2020. This is his 15th season as a Biola lacrosse coach, with two seasons (07-08) as defensive coordinator prior to taking over the head coach position (09-Present). In 11 seasons as Biolas head coach, Coach Klett is 36-21 in conference games, including two undefeated seasons in conference play. Under his coaching Biola has amassed 61 All Conference selections and 12 All America selections.

Coach Klett played at Biola from 2002-2006 as a defenseman. He was an All-WCLL Second Team defenseman in 2004 and 2005, an All-WCLL First Team defenseman in 2006, an Academic All-America in 2005, and a Third Team All-America defenseman in 2006, the first All-America award in Biola lacrosse history.