Hangley Aronchick Segal Pudlin & Schiller said that its board of directors had unanimously elected Ronald P. Schiller, a business litigator, to be the firm's chair, and will succeed Mark A. Aronchick. Schiller has chaired the firm's insurance practice group since he joined Hangley Aronchick in 2009. Aronchick succeeded William T. Hangley as chair in 2014, when Schiller became vice chair.