Prior to Hansen becoming the head coach at Auburn, Coach Callero was the varsity coach at Auburn High School for three seasons from 1999-2002. He left for a position at Seattle University coaching men's basketball under his brother Joe. Prior to coming to Auburn, Callero was the head varsity coach at Kelso, Kittitas and Dayton High Schools. He began his coaching career 25 years ago in 1992 as the C Team coach at Ellensburg High School. He played his basketball at Enumclaw High, Green River CC and Central Washington University. He is the co-founder and director of the Auburn Basketball Academy and the Auburn Select League. He teaches Language Arts at Auburn High. His wife, Nikki, teaches third grade at Ilalko Elementary. They have three sons: Josh (Auburn class of 2014) attends Central Washington; Max (Auburn class of 2016) attends Green River CC and Trey (Auburn class of 2020) is currently playing on the C Team.