Dr. Cohn is the Director for the Center of Device Innovation at the Texas Medical Center (TMC). He is also a professor of surgery at Baylor College of Medicine and an adjunct professor of Bioengineering at Rice University, the University of Houston and Texas A&M. Prior to joining TMC, he served as a Vice President at Johnson & Johnson MedTech, Executive Director for the Johnson & Johnson Center of Device Innovation at TMC, and Director of the Center for Technology and Innovation and Director of the renowned Cullen Cardiovascular Research Laboratory at the Texas Heart Institute.

Dr. Cohn has been deeply involved in developing the continuous-flow, totally implantable, artificial heart. In 2011, Dr. Cohn and Dr. O. H. Frazier implanted the first pulseless total heart replacement device in a human patient.

Dr. Cohn has been granted more than 90 US patents or patents pending. Since 2012, Dr. Cohn has served as the Chief Medical Officer and on the Board of Directors for BiVACOR and CSI Inc.