He worked for a coalition of labor unions against a 2010 pension measure in San Francisco .
From 2007 - 2010 , Ballard was the communications director for San Francisco Mayor Gavin Newsom .
Gavin Newsom worked for a coalition of labor unions against a 2010 pension measure in San Francisco .
From 2007 - 2010 , Ballard was the communications director for San Francisco Mayor Gavin Newsom .