Staff

Investigators
SurgeonsTitleSpeciality
Jean C. Emond, MDProfessor of SurgeryVice Chair and Director of Transplantation, Hepatobiliary Surgery
James Guarrera, MD, FACS Assistant Professor of SurgeryLiver Transplantation, Renal Transplantation, Hepatobiliary Surgery
Mark Hardy, MD Professor of SurgeryDirector Emeritus of Renal Transplantation Program
Tomoaki Kato, MD, FACS Professor of SurgeryChief of Abdominal Organ Transplantation, Surgical Director of Liver and Intestinal Transplant
Roman Nowygrod, MD Professor of SurgeryRenal Transplantation, Vascular Surgery
Lloyd E. Ratner, MD, FACS Professor of SurgeryDirector of Renal and Pancreas Transplantation
Benjamin Samstein, MD Assistant Professor of SurgerySurgical Director, Living Donor Liver Transplant, Fellowship Program Director
Rodrigo Sandoval, MD Instructor in Clinical SurgeryLaparoscopic Nephrectomy, Liver Transplant, Kidney Transplant, Pancreas Transplant
Hepatologists
Robert S. Brown, Jr., MD, MPH Frank Cardile Professor of Medicine and Pediatrics (in Surgery)Director, Center for Liver Disease and Transplantation
Lorna M. Dove, MD, MPH Associate Professor of Clinical Medicine (in Surgery)HIV/HCV co-infection
Sonja Olsen, MDAssistant Professor of MedicineHepatitis B & C and non alcoholic fatty liver disease
Eva Urtasun Sotil, MDAssistant Professor of Clinical MedicineHepatology
Elizabeth Verna, MD, MSAssistant Professor of Medicine
Julia Wattacheril, MD, MPHAssistant Professor of Clinical Medicine
Nephrologists
David J. Cohen, MD Professor of MedicineMedical Director of Renal Transplantation
R. John Crew, MD Assistant Professor of MedicineChronic Allograft Nephropathy, ABOi Renal Transplantation
Geoffrey Dube, MD Instructor in Clinical Medicine
Sumit Mohan, MD Assistant Professor of Clinical Medicine
Bekir Tanriover, MD Instructor of Clinical Medicine
Columbia University Medical Center       New York Presbyterian Hospital
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