Davidoff Hutcher & Citron (New York): Richard Gertler joins the firm’s commercial litigation group as partner in the Garden City, N.Y., office and will focus on commercial and bankruptcy litigation, corporate governance and real estate. Previously, Gertler was founding and managing partner at Thaler Gertler.

Dykema Gossett: Robert Boonin joins the labor and employment group as partner in the Detroit and Ann Arbor, Mich., offices. He will focus on labor and employment law. Previously, Boonin was a partner at Butzel Long.

Greenblatt, Pierce, Engle, Funt & Flores (Philadelphia): Tom Marrone joins as partner in the Philadelphia office and will focus on civil ­litigation, including class actions. Previously, Marrone was a partner at Feldman Shepherd.