Mr. Zahn serves on two Boards at San Diego State University: the School of Business Administration and the Zahn Innovation Center. He also holds seats on the Action Board of the Education Synergy Alliance and CleanTECH San Diego. 

Mr. Zahn was founding Chairman and CEO of the U.S. Green Chamber of Commerce, a non- profit association committed to enabling businesses to participate in the green economy, and become more environmentally and financially sustainable. He is on the Boards of the American Lung Association of California.