Chairperson and Faculty
The Surgery attending staff is made up of board-certified individuals who are committed to surgical education and the highest-quality patient care. A genuine collegial relationship exists among the residents, voluntary attending and full-time teaching staffs. Full-time, third-year medical students from Columbia University College of Physicians and Surgeons also contribute to the educational environment.
Kevin M. Dwyer, M.D.
Chairman of Surgery and Director of the Surgical Residency Program
- M.D.: Georgetown University
- Residency: Fitzsimmons Army Medical Center, Aurora Colorado
- Fellowship: Trauma Fellowship Inova Fairfax Regional Trauma Center,
Falls Church, Virginia. Trauma Critical Care Fellowship,R. Adams Cowley
Shock Trauma Center, University of Maryland
- Certification: Surgery , Surgery Certificate of Critical Care
- Positions: Director Trauma/Surgical Critical Care
Steven Bauer, M.D.
- M.D.: Rosalind Franklin University of Medicine & Science
- Residency: The Hospital of the University of Pennsylvania
- Fellowship: New York Medical College - Valhalla -Vascular Surgery
- Certification: Surgery
James A. Bonheur, M.D.
- M.D.: SABA University School of Medicine
- Residency: Boston University Medical Center: Stamford Hospital - Columbia University College of Physicians & Surgeons
- Fellowship: MGH/Harvard University - Vascular Research BUMC Boston University - Surgical Research Fellow New York Medical College/ Danbury Hospital - Laparoscopic, Endoscopic and Bariatric Surgery
- Certification: The American Board of Surgery
Sherman M. Bull, M.D., F.A.C.S.
Mark Ian Cockburn, M.D.
- M.D.: Howard University College of Medicine
- Residency: University of Texas Health Center
- Fellowship: University of Miami School of Medicine
- Certification: Surgery , Critical Care Surgery
Philip R. Corvo, M.D., M.A.
- M.D.: University of Connecticut, MD, 1992
- Residency: The Stamford Hospital, 1993-97
- Fellowship: Surgical Critical Care: Hartford Hospital, CT, 1997-98
- Board Certification: General Surgery, 1998; Surgical Critical Care, 1999
- Positions: Attending Surgeon, The Stamford Hospital; Clinical Instructor in Surgery, Columbia University College of Physicians & Surgeons
Xiang Da (Eric) Dong, M.D.
- M.D.: Duke University
- Residency: Drexel University
- Fellowship: University of Pittsburgh Medical Center - Surgical Oncology
- Certification: Surgery
Peter S. Liebert, M.D., FACS, FAAP
- M.D.: Harvard Medical School
- Residency: Peter Bent Brigham Hospital, Boston,MA
Montefiore Hospital and Medical Center, Bronx, NY
- Fellowship: Pediatric Surgery, Children's Hospital of Philadelphia
- Certification: Surgery, Pediatric Surgery
Charles E. Littlejohn, M.D., F.A.C.S., F.A.S.C.R.S.
- M.D.: Dartmouth Medical School, M.D., 1974-8
- Residency: University of Rochester, NY, 1978-80, UMD-Rutgers Medical School, NJ, 1980-83
- Fellowship: Colon and Rectal Surgery: UMD-Rutgers Medical School, NJ, 1983-84
- Board Certification: General Surgery, 1984, 1994; Colon and Rectal Surgery, 1985
- Positions: Attending Surgeon, The Stamford Hospital; Assistant Professor of Clinical Surgery, Columbia University College of Physicians & Surgeons; President: NY Society of Colon & Rectal Surgeons
Donna-Marie E. Manasseh, M.D.
- M.D.: Harvard Medical School, Boston
- Residency: The New York - Presbyterian Hospital
- Fellowship: Breast Surgical Oncology Fellowship, Memorial-Sloan Kettering Cancer Center
- Board Certified: General Surgery
Timothy Manoni, M.D.
- M.D.: State University of New York, Health Science Center
- Residency: Westchester Medical Center
- Fellowship: Westchester Medical Center Surgical Critical Care, University of Cincinnati Medical Center, Vascular and Interventional Surgery
- Certification: Surgery; Vascular Surgery
Ben U. Marsan, M.D.
- M.D.: Oregon Health Sciences University, Portland
- Residency: Flushing Hospital - Albert Einstein College of Medicine
- Fellowship: State University of New York - Health Sciences Center Buffalo, NY - Vascular and Interventional Surgery
- Certification: Surgery; Vascular Surgery
Steven McClane, M.D.
- M.D.: Cornell, M.D., 1992
- Residency: University of Pennsylvania, 1993-99
- Fellowship: Colon and Rectal Surgery, Cleveland Clinic, 1999-2001
- Board Certification: General Surgery, 2000; Colon and Rectal Surgery, 2001
- Positions: Attending Surgeon, The Stamford Hospital
Kevin Miller, M.D., F.A.C.S.
- M.D.: Columbia University College of Physicians and Surgeons, 1994
- Residency: Beth Israel Deaconess Medical Center, Boston, MA, 1995-1999
- Board Certification: General Surgery, 2001
- Positions: Attending Surgeon, The Stamford Hospital
Sunny D. Mitchell, M.D.
- M.D.: Universidad Autonoma de Guadalajara, New York Medical College
- Residency: Stamford Hospital / Columbia University College of Physicians & Surgeons
- Fellowship: Breast Surgery Fellowship, Columbia University Physicians & Surgeons
Joey C. Papa, M.D.
- M.D.: University of Michigan Medical School
- Residency: University of Louisville Columbia University
James A. Sarnelle, M.D., F.A.C.S.
- M.D.: New York Medical College, MD, 1981
- Residency: The Stamford Hospital, Stamford, 1981-86
- Fellowship: Fellowship Vascular Surgery; Allentown Affiliated Hospitals, 1986-87
- Board Certification: General Surgery, 1987; Recertified, 1996
- Positions: Attending Surgeon, The Stamford Hospital