Physicians’ Institute Board of Directors Walker L. Ray, M.D. President Bio Alan L. Plummer, M.D. Vice President Bio Jack M. Chapman, M.D. Secretary Bio Donald J. Palmisano Jr., MAG Executive Director Treasurer Bio John S. Antalis, M.D. Bio William A. Bornstein, M.D. Bio Richard S. Simmons, M.D. Bio Howard M. Maziar, MD Bio