Primary Job Title Vice President of Research and Development Primary Organization 
InfraReDx
Location Boston, Massachusetts, United States Regions Greater Boston Area, East Coast, New England Gender Male
Dr. Stephen Sum joined InfraReDx in 2005 as a Senior Scientist before serving as Director of Biomedical Systems in 2010 and Vice President of Research and Development beginning in December 2011.
Prior to joining InfraReDx, Dr. Sum was a Senior Scientist at MediSpectra where he helped develop an optical device for the detection of cervical
cancer.
Dr. Sum holds a B.Sc. in applied chemistry from the University of Waterloo, an M.S. in Information and Systems Science from Carleton University, and a Ph.D. in Analytical Chemistry from the University of Delaware.
