Western Region

About the Region

The Western Region has two offices that serve the residents of Arizona, California, Colorado, Hawaii, Nevada, Utah, and Guam.

Western Region-Los Angeles Office

Thomas Dahdouh, Director
Dominique Alepin Johnson, Assistant Director

The Western Region-Los Angeles stops unfair, deceptive and fraudulent business practices by conducting investigations, bringing law enforcement actions, building state and local partnerships, and educating consumers and businesses about their rights and responsibilities.

Western Region-San Francisco Office

Thomas Dahdouh, Director
Kerry O’Brien, Assistant Director

The Western Region-San Francisco handles both antitrust and consumer protection matters. The office works to enforce the federal antitrust laws through merger and anticompetitive conduct investigations and litigation across an array of industries. Western Region-San Francisco also stops unfair, deceptive and fraudulent business practices by conducting investigations, bringing law enforcement actions, building state and local partnerships, and educating consumers and businesses about their rights and responsibilities.

Notable Cases and Outreach (Los Angeles)

Notable Cases and Outreach (San Francisco)

Take Action

Have a consumer complaint? You can report it:

computer iconOnline:
Complaint form
phone iconBy phone (toll free):
877-FTC-HELP (382-4357)
9 a.m. to 8 p.m. Eastern Time
Monday through Friday
e-mail iconBy Mail:
Consumer Response Center
Federal Trade Commission
600 Pennsylvania Ave., NW
Washington DC 20580