Alejandra Nieto, M.B.Sc., is a Sustainability Manager for ROCKWOOL. She is a graduate from the Master of Building Science program at Ryerson University; with a background in construction science and management, and architectural technology from George Brown College. She has experience in design and research of the methods and materials involved in energy efficient buildings and systems. She is an active member in multiple ASHRAE technical committees; and is fluent in different modelling and simulation software including AutoCAD, WUFI, Heat 3 and THERM.