Robert Mannheimer has been elected chairman of the board at Blackman Plumbing Supply Co. Inc. The Blue Point resident will also continue as chairman, president and chief executive at Blackman in Bayport.
Chris Kretz of Sayville has been elected to the board of trustees of the Long Island Library Resources Council, representing the category of academic library, Suffolk County. He is an assistant professor, reference librarian and chair of the library department at Dowling College in Oakdale.
Matthew Catania has been promoted to vice president of finance at Newsday Media Group in Melville. The Smithtown resident most recently held the position of controller. Cablevision is Newsday's parent company.
Rob Hannon of Spring Lake, N.J., has been hired as senior account executive at Forerunner Telecomm in Bohemia. He was senior account manager at Black Box Network Services in Manhattan. Forerunner Telecomm distributes voice/data/ video IP and converged communication solutions to a network of value added resellers (VARs) and enterprise businesses nationally.