Dr. Tkachuk trained at the University of Toronto and Stanford University as an anatomical pathologist specializing in hematology. Doug has thirty years of experience in both public academic and private commercial lab diagnostics and is currently Medical Director at Dynacare where he oversees the largest medical diagnostic laboratory in Canada. Dr. Tkachuk is an Associate Professor at the University of Toronto and has previously held positions at University Health Network and was Chief Medical Officer and executive VP at LifeLabs. He was founder and President and later sold Objective Pathology Ltd., a digital pathology company based in Toronto. Dr. Tkachuk has authored two hematopathology books, published numerous research articles in the molecular pathogenesis of leukemia, has medical imaging patents currently licensed by the University of California and is an avid kiteboarder.