Cozen O’Connor (Philadelphia): David Zambito joins the firm’s energy, environmental and public utilities practice group as partner in the Harrisburg, Pa., office and will focus on regulatory and commercial issues involving utilities. Previously, Zambito was a partner at Post & Schell.

Carter Ledyard & Milburn (New York): Susan Power Johnston joins the firm’s corporate trust and its insolvency and creditors’ rights practices as counsel and will focus on representing indenture trustees, examiners, debtors and creditors’ committees in insolvency proceedings. Previously, Johnston was counsel to Covington & Burling.