Doug Leaffer is a Tenured Assoc. Professor of Engineering and Physics at NECC (USA-Massachusetts), and a PhD in Civil & Environmental Engineering (Environmental Health) at Tufts University (USA-Massachusetts), where he earned an MSCE (Civil/Environmental). Professor Leaffer’s research interest is environmental/transportation noise and air quality impacts to population health. He has lectured on diverse topics including sensor technologies, air pollution, and climate change at conferences and universities internationally. Doug is certified as an EIT, PG, WELL AP, WELL Faculty, LEED Green Associate and has global business experience in 50 countries on 5 continents.