Brian O’Mara is the managing partner of DiCello Levitt’s San Diego office and a partner in the Las Vegas office. His practice focuses on investigating and prosecuting complex securities, antitrust, and consumer protection litigation in state and federal courts across the United States. Brian also leads the firm’s new shareholder matters group, which evaluates new cases, advises institutional clients in connection with lead plaintiff motions, and assists them in securing appointment as lead plaintiff.
Over the past 20 years, Brian has served as lead or co-lead counsel in numerous shareholder, consumer protection, and antitrust actions involving companies in the financial services, technology, pharmaceutical, entertainment and gaming, and telecommunications industries, which have yielded billions of dollars in recoveries. He has helped institutional investors protect their fund investments by securing leadership positions in dozens of securities and antitrust actions and has been responsible for a number of significant trial and appellate court rulings in the securities and antitrust space.