Adam Cohen is a shared-mobility researcher at the Transportation Sustainability Research Center at UC Berkeley. Since joining the group in 2004, he has focused his research on worldwide carsharing, bikesharing, ridesharing, and emerging technologies. He has coauthored numerous articles and reports on shared mobility in peer-reviewed journals and conference proceedings. His academic background is in city and regional planning and international affairs. Susan Shaheen is an adjunct professor in the Department of Civil and Environmental Engineering and a research engineer with the Institute of Transportation Studies at the University of California, Berkeley. She is also co-director of the Transportation Sustainability Research Center at UC Berkeley. She was the policy and behavioral research program leader at California Partners for Advanced Transit and Highways, a special assistant to the director's office of the California Department of Transportation, and the first Honda Distinguished Scholar in Transportation at the Institute of Transportation Studies at UC Davis, where she served as the endowed chair until 2012.