Massey Burke is the co-director of the California Straw Building Association and a natural materials design/build consultant in the San Francisco Bay Area. She works on research, design, and implementation of low-carbon and carbon-sequestering building techniques, with a specific interest in supply chains and bringing natural building materials into the urban fabric. She supports clients, architects, and contractors to design for and manage construction with natural materials, and she partners with organizations including Arup, StopWaste, the Carbon Leadership Forum, and others to generate technical information and help remove barriers to scaling up natural, carbon sequestering building methods.