Scott Knowles is a professor of the Maritime Administration Department at Drexel University in Philadelphia. He received his PhD in History of Science, Medicine, and Technology from Johns Hopkins University. His work focuses on risk and disaster, with particular interests in modern cities, technology, and public policy. His most recent book is The Disaster Experts: Mastering Risk in Modern America (UPenn Press, 2011), and he is series coeditor of "Critical Studies in Risk and Disaster" (UPenn Press, launch 2014). Presently he is also a faculty research fellow of the Disaster Research Center at the University of Delaware. Since 2011, he has been a member of the Fukushima Forum collaborative research community, with which he is currently coauthoring an edited volume on the Fukushima disasters.