Massey Burke is a natural materials design/build consultant and co-director of the California Straw Building Association. She has worked with cob since 2005 and has taught natural building methods with non-profits and educational organizations, including the University of San Francisco and UC Berkeley. She was project manager for the first permitted cob building in the Bay Area, and supported the writing of the recent cob building code as a board member of the Cob Research Institute. Burke's work in life-cycle assessment focuses on low-carbon building, with a specific interest in supply chains and bringing natural building materials into the urban fabric. She partners with organizations including Arup, StopWaste, and the Carbon Leadership Forum to generate technical information and help remove barriers to scaling up natural, climate-positive building methods. Burke was a contributing author to The New Carbon Architecture. She lives in the San Francisco Bay area of California.