 He was a Director of the American Board of Physical Medicine and Rehabilitation from 1987 to 1999, served as its Chairman from 1993 through 1998, and was an emeritus member for an additional three years.He was Chair of the American Board of Medical Specialties (ABMS), 2008-2010.He also served on the Board of the Education Commission for Foreign Medical Graduates from 1999 to 2007, which he chaired from 2005 to 2006.