On August 1, 2009, Mitchell J. Celaya was sworn in as chief. He was the first UC Berkeley chief to have started his career with UCPD as a police officer at Berkeley, and was the first Latino UC police chief. He worked many assignments as he promoted through the ranks and served as assistant chief for Chief Harrison. He retired December 30, 2012. Margo Bennett, a Captain in the department, served as the acting chief until she was appointed to the position in April 2013.