Rolf Halden, Arizona State University (IMAGE) Arizona State University Caption Rolf Halden is director of the Swette Center for Environmental Biotechnology at ASU's Biodesign Institute. Credit The Biodesign Institute at Arizona State University Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.