David Arkin, AIA, LEED AP, is a co-Director of the California Straw Building Association (CASBA), advocating for straw building by helping to bring strawbale construction, light straw clay and cob into the residential building code, and publishing "Straw Bale Building Details, An Illustrated Guide for Design and Construction." He is co-Chair of the Embodied Carbon Network's Renewable Materials Focus Group and serves on the AIA's 2030 Commitment Working Group. David and his wife Anni Tilt, AIA are the Principals of the award-winning ecological design firm Arkin Tilt Architects.