Koralturk, A. Togay: - A. Togay Koralturk is an expert on green buildings and sustainability, and is the author of the LEED Complete Study Guide series, which is widely adopted as the primary course material for bachelor's and master's degree classes in architecture and civil engineering in universities throughout the United States. Holding a bachelor's degree in civil engineering and a master's degree in construction management from the University of Southern California, he began his career in Los Angeles, California, in project management, earning his LEED AP credential along the way in 2008. He has played a major role in directing numerous projects pursuing LEED certification worldwide and in educating professionals about green buildings and sustainability. His works on green buildings and LEED have sold thousands of copies worldwide, and their sales continue to grow.