Spiro N. Pollalis - professor of Design, Technology and Management at the Harvard Design School. Since 2008, he is the Director of the Zofnass Program for the Sustainability of Infrastructure that has led to the Envision Rating System. He is also the Principal Investigator of the project “Gulf Sustainable Urbanism” for 10 cities in the Arab Gulf. He has taught as a visiting professor at the ETH-Zurich, Switzerland; TU-Delft, Holland; Uni-Stuttgart, Germany; U-Patras, Greece; and has offered joint courses with the Harvard Business School on planning and development.