His other awards include two Gairdner Foundation International Awards (1990 and 1993), the North Carolina Award for Science (1993), the Alfred P. Sloan, Jr. Prize from the General Motors Foundation, jointly with Capecchi (1994), the Ciba Award from the American Heart Foundation (1996), the Bristol Myers Squibb Award (1997), the Association of American Medical Colleges' Award for Distinguished Research, jointly with Capecchi (1998), the International Okamoto Award from the Japan Vascular Disease Research Foundation (2000), the O. Max Gardner Award, the highest award for faculty in the University of North Carolina system (2002), the Massry Prize of the Meira and Shaul G. Massry Foundation (2002), shared with Capecchi, the March of Dimes Prize in Developmental Biology, jointly with Capecchi (2005), and the American Institute of Chemists Gold Medal (2009).