Michael Sheetz is the Kenan Professor of Cell Biology and chair of biological sciences, and P.I. for the Nanomedicine Center for Mechanical Biology. Dr. Sheetz received his Ph.D. in chemistry from Caltech, and worked as a postdoctoral fellow at University of California, San Diego, with Professor S. J. Singer. After starting at University of Connecticut Health Center, he moved to Washington University Medical School. In 1990, he became chair of cell biology at Duke Medical Center and moved to Columbia University in 2000.