Cindy Regnier

Cindy Regnier

Head: Whole Building Systems Department
Executive Director: FLEXLAB
Program Manager 4
(510) 486-7011


Cindy is the Whole Building Systems Department Head and FLEXLAB® Executive Director at Lawrence Berkeley National Lab. FLEXLAB® (Facility for Low Energy eXperiments in Buildings) is Berkeley Lab’s series of experimental testbeds dedicated to integrated and low carbon building, DER and grid systems integration research and development. She also manages several research projects focused on community scale deployment of coordinated grid interactive efficient buildings, and deployment of low energy systems and technologies. These include the development of integrated systems incentive programs for utilities, and solutions focused on small commercial buildings and schools. Prior to joining LBNL in 2009, she spent 13+ years on design of innovative, integrated HVAC systems, including AIA COTE Top 10, LEED Platinum buildings, and a 200,000sf carbon neutral science museum. Her Bachelor’s degree is in Mathematics and Mechanical Engineering from Queen’s University, Canada, and she holds professional engineering licenses in California, USA and Ontario, Canada.


B.Sc.Eng., Mathematics and Mechanical Engineering, Queen's University Kingston Canada, 1994


Spot: Cynthia Regnier -  November 22nd 2022

For exceptional performance in organizing and leading the Connected Communities kickoff event with DOE VIPs and major organizations.

2019 R&D 100 Award: Commercial Building Energy Saver -  October 30th 2019

The Commercial Building Energy Saver (CBES), a software toolkit that enables equitable access to building deep retrofit and zero-net energy strategies for these buildings, won a 2019 R&D 100 Award in the software/services category.

The development team includes Berkeley Lab researchers Sang Hoon Lee, Xuan Luo, Kaiyu Sun, Tianzhen Hong, Cynthia Regnier, Mary Ann Piette (all pictured left to right), Yixing Chen, Rongpeng Zhang, Sarah C. Taylor-Lange, and Philip Price. The project was supported by the California Energy Commission and the Department of Energy.

2014 Director's Awards for Exceptional Achievement: Tech Transfer -  September 03rd 2015

Entrepreneurism and development of relationships with industry