 Stevens joined the Butler basketball program as a volunteer prior to the 2000 – 01 season after quitting his job at Eli Lilly and Company . He was promoted to a full @-@ time assistant coaching position for the 2001 – 02 season . On April 4 , 2007 , he became the head coach after Todd <unk> left to coach the Iowa Hawkeyes . In his first year , Stevens led Butler to 30 wins , becoming the third @-@ youngest head coach in NCAA Division I history to have a 30 @-@ win season . 
