Mark Quinn is the District Director of the U. S. Small Business Administration. The San Francisco District covers the San Francisco Bay Area and Northern California counties from Crescent City to Santa Cruz. The San Francisco District covers a business loan portfolio of more than 10,500 loans worth $3.7 billion. Annually, the District approves SBA guaranty loans, which, in 2005, totaled over $750 million for 2,500 small business loans made through 100 lending institutions. Additionally the District funds ten (10) Small Business Development Centers and supports five (5) chapters of the Service Corps of Retired Executives (SCORE), the volunteer organization that provides free business counseling. Both organizations provide free, in depth, consulting for new and existing entrepreneurs. Finally, SBA cosponsors over 1,000 training events for over 50,000 Bay Area small businesses or prospective businesses from SBA resource partners.

Prior to his appointment, Mark served as Deputy District Director for the San Francisco District Office. He previously supervised the San Francisco District's Portfolio Management Division, handling the servicing of SBA lending throughout Northern California. Prior to coming to SBA in September 1986, he held positions as a Regional Economist and Economic Development Specialist with the U. S. Department of Housing and Urban Development in San Francisco and Philadelphia Regions.