DAVIS POLK & WARDWELL

Jon Leibowitz, 55, joins Davis Polk & Wardwell as a partner in the antitrust practice. Leibowitz was formerly the chairman of the Federal Trade Commission. He earned his J.D. from New York University School of Law.

MINTZ, LEVIN, COHN, FERRIS, GLOVSKY AND POPEO

Aarti Shah, 38, has joined Mintz, Levin, Cohn, Ferris, Glovsky and Popeo as a partner in the intellectual property practice. She was formerly a senior investigative attorney at the International Trade Com­mission’s Office of Unfair Import Investigations. She earned her J.D. from Georgetown University Law Center.