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Mary Ann Piette  

Senior Scientist, Lawrence Berkeley National Laboratory

Mary Ann Piette is a Senior Scientist at Lawrence Berkeley National Laboratory and Director of both the Building Technology and Urban Systems Division and the Demand Response Research Center.

She leads LBNL’s building technology and system integration research covering efficient components, controls, benchmarking and simulation.

Piette is leading multi-lab research activities to understand opportunities to reduce energy use in cities, pilot new approaches, and accelerate innovation.

She has been a scientist at LBNL for over 30 years conducting research on low-energy and demand response technologies for buildings.

She has authored over 150 papers on efficiency and demand response.

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