Current and Past Fellows
We are proud that our fellows have consistently secured strong jobs in the field of transplantation. Below is a history of our fellow graduates and their current positions and institutions.
Current Fellows
First-Year Fellow
Jonathan Mitchell, MBBS MHS
Jonathan was born and raised in Kingston, Jamaica where he received his medical degree from the University of the West Indies, Mona. He completed his General Surgery Residency at Howard University Hospital and earned his Master of Health Science from the Johns Hopkins Bloomberg School of Public Health. His clinical and research interests include early liver transplant for alcoholic liver disease, non-directed donation, and strategies to improve access to transplantation. Outside of the hospital, he enjoys motor sports, photography, rock climbing, and being a beach potato.
Ronit Patnaik, MD
Ronit was raised in India and immigrated to the US in high school. He earned a Bachelor of Science in Biomedical Engineering from Purdue University, followed by a Doctor of Medicine from the Indiana University School of Medicine. He completed his general surgery residency at the University of Texas Health San Antonio, where he also pursued a Surgical Education Fellowship through the Association for Surgical Education. His clinical interests include living donor liver transplant and robotics in transplantation. His research focuses on simulation in surgical education and on transplant outcomes, with particular emphasis on living donor liver transplantation. As a family member of a liver transplant recipient, Ronit is committed to patient advocacy through various venues, including the ASTS. Outside the hospital, he enjoys running, Boilermaker basketball, and spending quality time with his wife and energetic son.
Second-Year Fellows
Helene Rached, D.O.
Helene grew up in Westchester County, New York and graduated with a degree in biology from
Siena College. She received her medical degree from UNE COM and completed general surgery
residency at Vassar Brothers Medical Center in Poughkeepsie, NY. Her clinical interests include
global surgery, pediatric transplantation and the implementation of robotics in transplant.
Outside of the hospital, she enjoys traveling, hiking, filling up her online shopping cart, short
walks to the fridge, and spending time with her family.
Past Fellows
| Years | Name | Current Position |
|---|---|---|
| 2023 - 2025 | Dr. Ramy El-Diwany, M.D., Ph.D | University of Iowa Health |
| 2023 - 2025 | Dr. Al-Faraaz Kassam, M.D., M.B.A. | Johns Hopkins Medicine Assistant Professor |
| 2022 - 2024 | Francis J Tinney, M.D. | Johns Hopkins Medicine Assistant Professor |
| 2021 - 2023 | Jordan Pyda, M.D. | University of Maryland |
| 2021 - 2023 | Kiara Tulla, M.D. | Tulane University |
| 2020-2022 | Sharon Ruth Weeks Groh, M.D. | Walter Reed National Military Medical Center |
| 2019-2021 | Michelle Nguyen, M.D. | Mayo Clinic Arizona |
| 2019-2021 | Eliza Lee, M.D. | Philadelphia General Hospital |
| 2018-2020 | Elizabeth Ann King, M.D., Ph.D. | Johns Hopkins Medicine Associate Professor |
| 2017-2019 | Jaime M. Glorioso, M.D. | Jefferson University Hospital, Philadelphia, PA Assistant Professor |
| 2016-2018 | Russell Wesson, MBChB | Johns Hopkins University Division of Transplantation Assistant Professor of Surgery |
| 2015-2017 | Ashraf Reyad, M.B.B.Ch. | Fort Worth and Medical City Alliance, Fort Worth Hospital Assistant Professor |
| 2014-2016 | Charbel Chalouhy, M.D. | Albert Einstein College of Medicine Department of Urology Robotic and Minimally Invasive Fellow |
| 2014-2015 (One year Hepatic Surgery Training Program) | Ryosuke Misawa, M.D. | Jackson Memorial Miami General Surgery Resident |
| 2013-2014 (One year Advanced Laparoscopic Transplant Surgery Program) | Gelu Osian, M.D., Ph.D. | Regional Institute for Gastroenterology |
| 2012-2014 | Bonnie E. Lonze, M.D., Ph.D. | NYU Medical Langone Center Division of Transplant Surgery Assistant Professor of Surgery |
| 2011-2013 | Susanna Nazarian, M.D., Ph.D. | Hospital of University of Pennsylvania Division of Transplant Surgery Assistant Professor of Surgery |
| 2010-2012 | Jayme E. Locke, M.D., Ph.D. | University of Alabama Hospital Division of Transplant Surgery Associate Professor of Surgery |
| 2009-2011 | Christopher Simpkins, M.D., M.P.H. | Dartmouth-Hitchcock Medical Center Division of Transplant Surgery Surgical Director, Kidney Transplant Assistant Professor of Surgery |
| 2008-2010 | Nabil Dagher, M.D. | NYU Medical Langone Center Division of Transplant Surgery Chief of Abdominal Transplant Surgery Associate Professor of Surgery |
| 2007-2009 | Zoe Stewart, M.D., Ph.D. | Carver College of Medicine Division of Transplant Surgery Surgical Director, Transplant Program Clinical Associate Professor of Surgery |
| 2005-2007 | Dorry Segev, M.D., Ph.D. | Johns Hopkins Medicine Division of Transplant Surgery Director, Epidemiology Research Associate Vice Chair, Research Professor of Surgery |
| 2004-2006 | Tomasz Kozlowski, M.D. | University of North Carolina Division of Transplant Surgery Associate Professor of Surgery |
| 2003-2005 | Alan Hawxby, M.D. | Oklahoma Transplant Center Division of Transplant Surgery Surgical Director, Kidney Transplant Clinical Associate Professor of Surgery |
| 2002-2004 | Seth Karp, M.D. | Vanderbilt University Medical Center Division of Transplant Surgery Chairman, Department of Surgery Director, Vanderbilt Transplant Center Professor of Surgery |
| 2001-2003 | Edward Falta, M.D. | Keller Army Community Hospital Chief, General Surgery |
| 2000-2002 | Matthew Cooper, M.D. | Georgetown University Hospital Director, Kidney & Pancreas Transplant |
| 1999-2001 | Henkie Tan, M.D., Ph.D. | University of Pittsburgh SOM Assistant Professor, Living Kidney Donor Transplant Program Associate Professor of Surgery |
| 1998-2000 | Aloke Mandal, M.D., Ph.D. | Optum- Los Angeles, California Medical Director |
| 1997-1999 | Robert Montgomery, M.D., Ph.D. | NYU Medical Langone Center Director, NYU Langone Transplant Professor of Surgery |
| 1996-1998 | Kenneth Chavin, M.D., Ph.D. | Case Western Reserve University Professor of Surgery Transplant Surgery |
| 1995-1997 | Douglas Slakey, M.D., M.P.H. | Tulane University SOM Chief, Department of Surgery Clinical Professor of Urology and Pediatrics Professor of Surgery |
| 1994-1996 | David Holt, M.D. | Loyola University Hospital General Surgery |
| 1993-1995 | Francisco Cigarroa, M.D. | University of Texas Health Science National Research Council Committee Transplant Surgeon |
| 1992-1994 | Warren Maley, M.D. | Jefferson University Director, Live Donor Liver Transplant Professor of Surgery |
| 1991-1993 | Gazi Zibari, M.D. | Willis-Knighton Health System Director of Transplantation Director of Advanced Surgery Americas Hepato-Pancreato-Biliary Association Treasurer |
| 1990-1992 | Jeffrey Fair, M.D. | The University of Texas Medical Branch Transplant Surgery Professor of Surgery |