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Chairmen Past and Present

L to R: Frederick L. Greene, MD, FACS, L. G. Walker Jr., MD, FACS and Harold F. Hamit, MD, FACSIn the photo, L to R: Frederick L. Greene, MD, FACS,
L. G. Walker Jr., MD, FACS and Harold F. Hamit, MD, FACS

Harold F. Hamit, MD, FACS
Chairman, Department of Surgery, and Director of Surgical Education
1970 to 1985

A Kansas native and a 1944 graduate of the New York University School of Medicine, Dr. Hamit served in the U.S. Army in the South Pacific during World War II, served in Japan during the allied occupation, and was a member of the first MASH unit in Korea during the Korean War, 1950-1951. Before becoming chairman of the Department of General Surgery, he was the chief of surgery and commanding officer of the 121st Evacuation Hospital in Korea, the chief of general surgery at Brooke Army Hospital, and was the director in the division of surgery at Walter Reed Army Institute of Research. Dr. Hamit was the U.S. Army's medical inspector general in Vietnam in 1967.

Dr. Hamit's career in medical education began at Brooke Army Hospital where he worked with the residency training program. One of his residents was Basil A. Pruitt, Jr. who established the burn unit of Brooke Army Hospital and is the long-time editor of the Journal of Trauma. For several years after his retirement in 1986, Dr. Hamit continued to participate in surgical resident training.


L. G. Walker Jr., MD, FACS
Chairman, Department of Surgery, and Director of Surgical Education
1986 to 1997

Dr. Walker is graduate of the Medical College of Alabama. Following a surgical internship at the University of Virginia Hospital, he was on active duty in the U.S. Navy from 1957 to 1959, serving as a medical officer on the USS Everglades and at Norfolk Air Station. After discharge, he continued his surgical training at the University of Michigan Hospital, George Washington University Hospital, and Emory University. Dr. Walker served as a staff surgeon at the Veterans Hospital in Iron Mountain, Michigan and at the Veterans Hospital in Atlanta where he became assistant chief of surgery.

In 1969, Dr. Walker came to Charlotte to join the Nalle Clinic and joined the staff at Charlotte Memorial Hospital (now Carolinas Medical Center). He was chief of service in the department from 1981 to 1986, became chairman and director of surgical education in 1986, and retired in June 1997. 

Since retirement, Dr. Walker has published many journal articles related to medical and military medical history. These include: Henry Adams’ 1912 Stroke: A Misunderstood Illness (New England Quarterly), Carrel’s War Research Hospital at Compiegne: Phototype of a Research Facility at the Front (JACS), and Military Medicine at the Little Bighorn (JACS). In 2007, Dr. Walker published a book, Dr. Henry R. Porter, the Surgeon who Survived Little Bighorn, the life story of the only surviving surgeon with Custer at the battle of Little Bighorn.


Frederick L. Greene, MD, FACS
Chairman, Department of Surgery, and Director of Surgical Residency Program
1997 to 2012

Dr. Greene received his medical school training at the University of Virginia, completed a surgical residency at Yale University School of Medicine, and completed an American Cancer Society clinical research fellowship at Yale. Following residency, Dr. Greene served on active duty with the United States Navy as Leutenant-Comander and was the surgeon aboard the USS Nimitz (CVN-67) and attending surgeon at the Portsmouth Naval Hospital in Portsmouth , Virginia. He then was in the private practice of surgery in Havre de Grace, Maryland for two years before joining the faculty of the new medical school at the University of South Carolina in 1980 . There he served as Chief of Surgery at the Dorn Veterans Administration Hospital in Columbia, South Carolina and began the surgical oncology division at that institution.

Dr. Greene has served for many years on the Commission on Cancer of the American College of Surgeons and is a past chair of the Commission. He represented the American College of Surgeons on the American Joint Committee on Cancer (AJCC) and served as chair of the AJCC from 2000-2004. Dr. Greene represented the AJCC and was vice-chair of the TNM Staging Core Group of the International Union Against Cancer (UICC) based in Geneva, Switzerland. He is also the editor of the sixth and seventh editions of the AJCC Cancer Staging Manual.

Having published approximately 180 journal articles and 60 book chapters, Dr. Greene has also edited seven books related to cancer surgery. He is a past governor of the American College of Surgeons, is a founding member of SAGES and a past president of SAGES. He received the SAGES Distinguished Service Award in 2001 and is the 2012 recipient of the Jeffrey L. Ponsky Master Educator Award presented by SAGES.  Dr. Greene is currently the president-elect of the Southeastern Surgical Congress.


Michael H. Thomason, MD, FACS
Interim Chairman, Department of Surgery, May 2012 to present
Associate Chairman, Department of Surgery, 1988 to 2012

Michael H. Thomason, MD, FACSA native of Charlotte and a graduate of Davidson College, Dr. Thomason is a graduate of the University of North Carolina School of Medicine. He completed his surgical residency at Charlotte Memorial Hospital (now Carolinas Medical Center) in 1983, and Dr. Hamit appointed him associate chairman of the Department of Surgery in 1988.  Currently, Dr. Thomason is the medical director of the Ross Trauma Center, the Hemby Pediatric Trauma Institute, and the Carolinas Trauma Network of Carolinas Healthcare System.  In addition, he is the trauma medical advisor for the Office of Emergency Medical Services with the Department of Health and Human Services for North Carolina. He is a past region IV chief of the American College of Surgeons Committee on Trauma (2005 to 2011) and past president of the North Carolina chapter of the American College of Surgeons and the North Carolina division of the American Trauma Society.


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