David Chiu...

By Annie Tritt for The Bay Citizen

David Chiu campaigns in San Francisco's Richmond District on Thursday, November 3, 2011...

By Adithya Sambamurthy/The Bay Citizen

David Chiu campaigns in San Francisco's Richmond District on Thursday, November 3, 2011...

By Adithya Sambamurthy/The Bay Citizen

San Francisco board of supervisors president David Chiu, left, and San Francisco Mayor Ed Lee cut a ribbon at Zendesk's ......

By Noah Berger for The Bay Citizen

David Chiu at a campaign rally in San Francisco's Chinatown on Monday, August 29, 2011...

By Adithya Sambamurthy/The Bay Citizen