Ulgen has obtained his B.S. degree in civil engineering, in 1988, from Dokuz Eylül University, Izmir, Turkey. He received the M.S. degree in energy technologies and the Ph.D. degree in solar energy from the Ege University, in 1992 and 2000, respectively. Ulgen has more than 20 years of experience in research and development related to renewable energy and energy efficiency. He is a Member of the International Solar Energy Society (ISES) and the International Association for Energy Economics (IAEE). Dr. Ulgen is a reviewer for several international journals.