| Title | Chief of Police |
| Start Date | 2009-00-00 |
| End Date | 2011-00-00 |
| Is Current | no |
| Board member | no |
| Executive | yes |
| Employee | yes |
| Notes | Gascón served as San Francisco Police Department chief from August 2009 to January 2011, succeeding Heather Fong. He was replaced by Greg Suhr.[15] In 2009, San Francisco saw a significant drop in homicides, falling from 96 in 2008 to 45 in 2009. Between 2009 and 2011, violent crime decreased in San Francisco.[16] |