Professor Ronald Rael holds the Eva Li Memorial Chair in Architecture and a joint appointment in the Department of Architecture, in the College of Environmental Design, and the Department of Art Practice at UC Berkeley. Rael is the author of Borderwall as Architecture: A Manifesto for the U.S.-Mexico Boundary (University of California Press 2017), an illustrated biography and protest of the wall dividing the U.S. from Mexico featured in a recent TED talk by Rael, and Earth Architecture (Princeton Architectural Press, 2008), a history of building with earth in the modern era to exemplify new, creative uses of the oldest building material on the planet. Emerging Objects, a company co-founded by Rael, is an independent, creatively driven, 3D Printing MAKE-tank specializing in innovations in 3D printing architecture, building components, environments and products. His most recent startup company, FORUST, is a wood technology company that brings together expertise in design and 21st century manufacturing to promote healthy forests and sustainable design through innovations in 3D printed wood .