Holger Jens Schünemann (born March 8, 1967 in Braunschweig, Germany) is a physician and professor of medicine and Clinical epidemiology.
From February 1, 2009, to June 30, 2019 he was the chair of the Department of Health Research Methods, Evidence, and Impact (formerly the "Department of Clinical Epidemiology and Biostatistics") at McMaster University in Hamilton, Canada, where he now works as full professor.He also holds positions as professor at the University at Buffalo, Department of Medicine, US; visiting professor at the University of Freiburg, Germany; director of Cochrane Canada; and director of the McMaster GRADE Centre.