Jonathan Ochshorn is a registered architect with an academic background in structural engineering and urban design as well as architecture. Prior to joining the faculty at Cornell University in 1988, he taught at City College of New York while serving as Associate Director of the City College Architectural Center, a research center supplying technical assistance to community groups in New York City. Since 1976, he has also practiced architecture and urban design in New York and California. His publications include studies on energy loss through tapered insulation, as well as the political and economic underpinnings of sustainable building. He is the author of Structural Elements for Architects and Builders (2010 Butterworth-Heinemann) and has developed several interactive computer programs, many of which are available online at no cost. Professor Ochshorn teaches in the areas of construction technology and structures, and offers an elective course focusing on the science and politics of green building.