Dr. John Gülen, ASME Fellow, a senior engineer in Bechtel's Infrastructure & Power business unit, is an internationally recognized expert in steam and gas turbine combined cycle systems and thermal power plant engineering with numerous patents and publications to his credit. Dr. Gülen's contributions include development of heat balance software at Thermoflow, design, optimization, and testing of combined cycle systems with FB and H class gas turbines at General Electric and technical assessment of novel power generation technologies at Bechtel.

He was named a Bechtel Fellow in 2018.

Dr. Gülen received his PhD degree from Rensselaer Polytechnic Institute and is a licensed professional engineer.