James F. O'Brien is an Assistant Professor of Computer Science at the University of California, Berkeley. His primary area of interest is Computer Animation, with an emphasis on generating realistic motion using physically based simulation and motion capture techniques. He received his Ph.D. in Computer Science from the Georgia Institute of Technology. James has authored numerous papers, including eight presented at the ACM SIGGRAPH conference, and his work has been featured multiple times in the SIGGRAPH Electronic Theater. He has been the recipient of several awards, most recently a research grant from the Okawa Foundation.