Chuhak & Tecson P.C. added Jeffrey M. Heller as a principal in its corporate transactions and business law group.Heller advises individuals and closely held businesses on corporate matters, including mergers and acquisitions, phantom ownership plans, operating agreements, joint ventures, succession planning, corporate governance, choice of entity considerations, entity formations, customer and supplier agreements, employment agreements and loan documents.• Levin Schreder & Carey Ltd. added Stephanie M. Berardi …