He earned an M.D. from University of Wuerzburg in 2000. Dr. Deuse thereafter received advanced training in cardiothoracic surgery at the University Hospital Munich-Grosshadern, the University Heart Center Hamburg-Eppendorf, and Stanford University. He achieved international acclaim for the development of innovative approaches for mitral valve surgery and demonstrated that high success rates can be achieved in endoscopic mitral valve repair even for complex valve pathologies. He is the Director for Minimally-invasive Cardiac Surgery at UCSF.