People: Jim Castellano is stepping down as chairman of St. Louis-based firm RubinBrown on May 31; managing partner John Herber will succeed him as chairman … Steve Cogan was elected managing principal of the Albuquerque, N.M.-based firm REDW LLC, succeeding Ron Rivera, who has served as firmwide managing principal for the past 15 years … Harold Deiters, partner at Baker Tilly Virchow Krause and based in Melville, N.Y., was named president-elect of the New York State Society of CPAs … Carla McCall, co-managing partner of AAFCPAs in Westborough, Mass., was elected chairman of the board of directors of the Massachusetts Society of Certified Public Accountants for 2016-2017 … Ben Morgan has rejoined Brown Smith Wallace in St. Louis as a manager in the transaction advisory and litigation support practice … David Smith, partner at EisnerAmper LLP in New Jersey, was named co-chair of the matrimonial disputes practice for the firm’s Forensic, Litigation and Valuation Services Group.

Firms: The BlumShapiro office in West Hartford, Conn., was awarded the “Best Accountant or CPA Firm” in the 2016 Hartford Magazine Readers Poll … NJBIZ honored KRS CPAs LLC (formerly Kreinces Rollins & Shanker LLC) of Paramus, N.J., as one of the “2016 Best Places to Work in New Jersey” … The Spencer, Iowa, firm Winther Stave & Co. celebrated 50 years in business and service.