Troutman Sanders has picked up five partners with deep experience in litigation, insurance and reinsurance from Crowell & Moring, expanding the Atlanta-based firm on two coasts.

William O’Neill and Leslie Davis, who were co-chairs of Crowell & Moring’s insurance/reinsurance group, are joining in Washington, D.C., along with partner Michael Carolan. Jack Thomas, former managing partner of Crowell & Moring’s London office, is joining Troutman’s New York office. In California, the firm added Steven Allison, former managing partner of Crowell’s Orange County office.