Mary Ann Piette is the Associate Lab Director (ALD) of the Energy Technologies Area (ETA) at Lawrence Berkeley National Laboratory. ETA conducts research to accelerate innovation to provide affordable, reliable, secure and abundant energy systems for American prosperity. This work ranges from advancing building technologies, to novel manufacturing systems, advanced materials for energy storage and hydrogen systems, cybersecure grid technologies and efficient data centers. ETA’s R&D is built on strong engagement with industrial partners. Mary Ann also serves as a Senior Scientist with experience developing grid-edge technologies that have global adoption. She was a visiting researcher at both the Commonwealth Scientific and Industrial Research Organization in Australia and the Chalmers University of Technology in Sweden. She has authored over 120 peer reviewed publications related to energy systems, and received a Lifetime Achievement Award at Berkeley Lab for her work in energy-efficient and grid-interactive buildings research. She has received two R&D 100 awards and is a board member of the American Council for an Energy Efficient Economy and the OpenADR Alliance. Piette has an MS in Mechanical Engineering from UC Berkeley and a Licentiate in Building Services Engineering from the Chalmers University of Technology in Sweden.