Phillip Warren, who served as chief of the San Francisco office of the U.S. Department of Justice’s Antitrust Division from 2002 to 2014, has joined Covington & Burling. As a partner in the firm’s San Francisco office, Warren will focus on criminal antitrust investigations and prosecutions, as well as corporate compliance and internal investigations. See story online.

Hanson Bridgett has added Ray Sheen as a partner in its San Francisco office. As a member of the firm’s insurance recovery practice group, he will continue to represent policyholders in complex insurance coverage disputes.