Repetto was born and raised in Pleasanton and graduated Amador Valley High School in 2002.
He served in the U.S. Air Force as an Explosive Ordnance Disposal Technician after graduation, and was stationed at Patrick Air Force Base in Florida. was a member of the bomb squad servicing Kennedy Space Center at Cape Canaveral, and deployed to Afghanistan from September 2005 through March 2006 as part of Operation Enduring Freedom.
After his service, Repetto joined the Contra Costa County Sheriff's Department where he worked for more than five years. He was assigned to the detention facility in Richmond and was a member of the Sheriff's Emergency Response Team (SERT).
Repetto will go through a 16-week field training program, after which he will be assigned as a patrol officer. He was hired to fill a vacancy created when an officer recently retired.
Repetto is not alone in coming back to Pleasanton to work as a police officer. Both school resource officers, Craig Hobizal and Ryan Dawson, are local graduates.