After more than a quarter-century in the Justice Department’s Antitrust Division, Lisa Phelan is leaving her post to join Morrison & Foerster as a partner in Washington, D.C.

Phelan spent the last 16 years as chief of the National Criminal Enforcement and Washington Criminal I Sections of the Antitrust Division. At Morrison & Foerster, she will work in the global antitrust law practice and investigations and white-collar group.