Dr. Gang Zheng is a Professor and Canada Research Chair at the University of Toronto and Associate Research Director of the Princess Margaret Cancer Center. He obtained his BSc in 1988 from Hangzhou University and PhD in 1999 from SUNY Buffalo. Following a postdoctoral training in photodynamic therapy at the Roswell Park Cancer Institute, he joined the University of Pennsylvania in 2001 as an Assistant Professor of Radiology and moved to Canada in 2006. His lab is best known for introducing activatable photosensitizers and porphysome nanotechnology. Dr. Zheng is a Fellow of AIMBE and an Associate Editor for Bioconjugate Chemistry.