Dr. Lothar Lilge obtained his MSc from Johann Wolfgang Goethe University in 1987 and his Ph.D. from the Westfaehlische Wilhelms University in 1992. He also studied for 3 years at the Massachusetts General Hospital in Boston, USA. In 1992, he first came to McMaster University, Hamilton and then to the Ontario Cancer Institute for his post-doctoral training. From 1995 to 2002, he was employed by the Photonics Research Ontario at the Centre of Excellence of the Province of Ontario, serving in various positions ranging from Staff Scientist to Director of Operations for the Biophotonics User Facility. He holds a Professor appointment at the Faculty of Medicine at the University of Toronto and is currently a Senior Scientist at the Princess Margaret Cancer Centre at University Health Network. His expertise includes photodynamic therapy, ranging from photosensitizer evaluation to treatment planning and support of clinical trials.