Gilbane Building Co. has hired Robert Preiss, a 33-year industry veteran, to lead the company's energy modeling and High Performance Building efforts. Preiss' experience covers a wide range of client types, including commercial, industrial, high-tech, and utility products and services. His expertise includes efficient lighting, HVAC, retrocommissioning, cogeneration, microturbines, wind turbines, deregulation, management and engineering.