Mary Ann Piette is a Senior Scientist and the Director of the Building Technology and Urban Systems Division in the Energy Technologies Area at Lawrence Berkeley National Laboratory. She oversees Berkeley Lab's building energy research activities with the U.S. Department of Energy, and she is also the Director of the Demand Response Research Center. Mary Ann's work involves developing and evaluating new technology and building components, windows, controls, operations, simulation, whole building and electric load shape analysis and behavior. Her Division also conducts research in data center energy efficiency, industrial energy efficiency, and federal energy management. Mary Ann has authored over 90 peer reviewed publications related to energy efficiency and demand response and has worked at LBNL since 1983. She is a board member of the American Council for an Energy Efficient Economy and of the OpenADR Alliance. Mary Ann has an MS in Mechanical Engineering from UC Berkeley and a Licentiate in Building Services Engineering from the Chalmers University of Technology in Sweden.