HIs interests are interventional cardiology including trranscatheter aortic valve implantation, mitral TEER, tricuspid TEER and replacement, stroke prevention (PFO closure and LAA closure) and stroke intervention as well as coronary intervention and cardiovascular imaging (echo/CT). He is a professor of Medicine at the University of Minnesota and has affiliations with the Veterans Affairs Medical Center in Minneapoils, MN, Hennepin County Medical Center and the Cardiovascular Center Frankfurt, Germany.