Heart & Vascular Institute > Training & Fellowships > Cardiothoracic Residency Program Cardiothoracic Residency Program Faculty Share on Facebook Share on Twitter Share on LinkedIn Share on Pinterest Share via Email Print this Page Our world-renowned division leaders for the Johns Hopkins Cardiothoracic Program provide fellows with comprehensive clinical and operative experience.Cardiac Surgeons Hamza Aziz, M.D. James Stickney Gammie, M.D. Ahmet Kilic, M.D. Jennifer Sue Lawton, M.D. Thomas Lewis Matthew, M.D., M.S. Cardiovascular Surgical ICU Marc Steven Sussman, M.D. Glenn Joseph Robert Whitman, M.D. Congenital Heart Surgeon Bret Allen Mettler, M.D. Danielle Gottlieb Sen, M.D., M.P.H., M.S. Thoracic Surgeons Richard James Battafarano, M.D., Ph.D. Malcolm V Brock, M.D. Stephen R Broderick, M.D. Errol Lovester Bush, M.D. Jinny Suk Ha, M.D., M.H.S. Stephen Clyde Yang, M.D.