Minimally Invasive/Bariatric Surgery (MIS) fellows
Dimitrios Athanasiadis, MD
Medical School: Aristotle University of Thessaloniki
Residency: Indiana University
Patrick Wieland, MD
Medical School: Southern Illinois University
Residency: Case Western Reserve University/University Hospitals Cleveland
Advanced Therapeutic Endoscopy and Gastrointestinal Surgery fellows
Alec Haas, MD
Medical School: Michigan State University
Residency: Case Western Reserve University/MetroHealth
Past Minimally Invasive/Bariatric Surgery (MIS) Fellows
2025-2026
Alexandra Johns, MD, MPH
Medical School: Ohio State University
Residency: UC Davis
Victoria Clancy, MD
Medical School: University of Buffalo
Residency: East Tennessee State University
2025-2026
McWayne Weche, MD
Medical School: University of South Florida
Residency: Universityof South Florida
2024-2025
Elizabeth Anderson, MD
MD: Baylor University
Residency: Rush University
Grace Chao, MD
MD: Harvard University
Residency: Yale University
2023-2024
Aimee Zhang, MD
MD: University of Virginia
Residency: University of Virginia
2022 - 2023
Patrick Sweigert, MD
MD: Loyola University Chicago
Residency: Loyola University Chicago
Tarik Yuce, MD, MS
MD: Temple University
Residency: Northwestern University
2021 - 2022
Karla Bernardi, MD, MS
Staff Surgeon
UPMC Magee-Womens Hospital
Pittsburgh, PA
Lauren Hawley, MD
Assistant Professor of Clinical Surgery
University of Southern California
Los Angeles, CA
2020 - 2021
Jennifer Colvin, MD
Assistant Professor of Surgery
University of Cincinnati
Cincinnati, OH
Sean O'Neill, MD, PhD
Clinical Assistant Professor
University of Michigan
Chelsea, MI
2019 - 2020
Jennwood Chen, MD
Faculty Surgeon
University of Utah
Salt Lake City, UT
Vivian Wang, MD
Faculty Surgeon
Kaiser Permanente
Portland, OR
2018 - 2019
Carla Holcomb, MD
Assistant Professor of Surgery
UT Southwestern Medical Center
Dallas, TX
Noah Switzer, MD
Faculty Surgeon
University of Alberta
Edmonton, Canada
2017 - 2018
Emily Benham, MD
Bariatric Surgeon/General Surgeon
Oklahoma Surgical Associates
Norman, OK
Munyaradzi Chimukangara, MD
Bariatric Surgeon/General Surgeon
Specialists in General Surgery
Maple Grove, MN
2016 - 2017
Sara Martin del Campo, MD
Bariatric Surgeon
Swedish Medical Center
Seattle, WA
Nathan LaFayette, MD
Bariatric/General Surgeon
Beaumont Hospital
Beaumont, MI
2015 - 2016
Ellen Carraro, MD
Staff Surgeon
Novant Bariatric Solutions
Charlotte, NC
Boris Zevin, MD, PhD
Assistant Professor of Surgery
Kingston General Hospital
Kingston, ON, Canada
2014 - 2015
Matthew Pittman, MD
Director of Bariatric and Minimally Invasive Surgery
Northwestern Medicine, Delnor Hospital
Geneva, IL
Jennifer Schwartz, MD
Assistant Professor of Surgery
Division of General and Gastrointestinal Surgery
The Ohio State University Wexner Medical Center
Columbus, OH
2013 - 2014
Umer Chaudhry, MD
Staff Surgeon
Kaiser Permanente
San Diego, CA
James Rydlewicz, MD
General/Bariatric Surgery
Grafton Aurora Medical Center
Grafton, WI
2012 - 2013
Luke Funk, MD, MPH
University of Wisconsin Hospital and Clinics
Madison, WI
Aliyah Kanji, MD
2011 - 2012
Jeffrey L. Eakin, MD
Pioneer Valley Hospital
3460 S. 4155 W.
Salt Lake City, UT 84120
Brendan M. Marr, MD
Assistant Professor of Surgery
West Virginia University
PO Box 9238, 7300 HSS
Morgantown, WV 26506
John G. Linn, MD
Department of Surgery
NorthShore University Health System
Evanston, IL 60201
Sabrena Noria, MD, PhD, FRCSC
Assistant Professor of Surgery
The Ohio State University Wexner Medical Center
Department of Surgery, Division of General and Gastrointestinal Surgery
Columbus, OH
2009 - 2010
Clinton Hall, MD
1601 W. Timberlane Drive
Suite 300
Plant City, FL 33566
Eric Volckmann, MD
Assistant Professor of Surgery
University of Utah
Department of Surgery
30 North 1900 East
Salt Lake City, UT 84132-0002
2008 - 2009
Brian J. Winkleman, MD
Family Medical Group
330 N. Madison St. Suite 104
Joliet, Illinois 60435
Sebastian Demyttenaere, MD, MSc, FRCS(C)
General and Laparoscopic Surgery
3830 Av Lacombe, B270
Montréal, Québec
H3T 1M5
2007 - 2008
Simon Bergman, MD
Jewish General Hospital
3755 Côte-Sainte-Catherine Road
Montréal, Québec, Canada
H3T 1E2
Jason Roland, MD
Good Samaritan Hospital
5601 Loch Raven Blvd, STE 106
Baltimore, MD 21239
2006 - 2007
Kevin Reavis, MD
Esophageal and Foregut Surgery
Division of Gastrointestinal and Minimally Invasive Surgery
The Oregon Clinic
1040 NW 22nd Ave., Suite 560
Portland, OR 97210
David Renton, MD
Assistant Professor of Surgery
The Ohio State University Wexner Medical Center
1492 East Broad Street, 11th Floor, Suite 1102
Columbus, OH 43205
Vimal K. Narula, MD
Associate Professor of Surgery
The Ohio State University Wexner Medical Center
410 W. 10th Ave.
Columbus, OH 43210
William Watson, MD
Condell Medical Center
890 Garfield Ave.
Libertyville, IL 60048
2004 - 2005
S. Scott Davis, Jr., MD
Assistant Professor of Surgery
Emory University Hospital
Emory Crawford Long Hospital
550 Peachtree St.
Atlanta, GA 30308
Matthew Goldblatt, MD
Associate Professor of Surgery
Medical College of Wisconsin
Division of General Surgery
9200 W. Wisconsin Ave.
Milwaukee, WI 53226
2003 - 2004
Dean J. Mikami, MD
Assistant Professor of Surgery
The Ohio State University Wexner Medical Center
410 W. 10th Ave.
Columbus, OH 43210
Matthew Newlin, MD
Allegheny Regional Surgical Associates
620 Howard Ave., Suite 3
Altoona, PA 16601
2002 - 2003
Virginia McGrath Weaver, MD
Director of Bariatric Surgery
St. Francis Hospital, Bariatric Surgical Center
5959 Park Ave.
Memphis, TN 38119
2001 - 2002
Jon C. Gould, MD
Associate Professor and Chief of General Surgery
Medical College of Wisconsin
Division of General Surgery
9200 W. Wisconsin Ave.
Milwaukee, WI 53226
Kevin R. Krause, MD
Royal Oaks Surgical Associates
3535 W. 13 Mile Road
Royal Oak, MI 48072
1999 - 2000
Bradley J. Needleman, MD
Associate Professor of Surgery
Director, Bariatric Surgery
The Ohio State University Wexner Medical Center
Columbus, OH 43210
1998 - 1999
Larry Damore, MD
Advanced Surgical Associates
1500 S. Dobson Road STE 313
Mesa, AZ 85202
1997 - 1998
Ziad E. Abouezzi, MD
Hudson Valley Laparoscopy
1 Field Ct.
Poughkeepsie, NY 12601
1996 - 1997
Sayeed Ikramuddin, MD
Associate Professor of Surgery
Director, Bariatric and Minimally Invasive Surgery
University of Minnesota
11556 Chamberlain Ct.
Eden Prairie, MN 55344
Past Advanced Therapeutic Endoscopy and Gastrointestinal Surgery Fellows
2024-2025
Dylan Goto, MD
MD: Creighton University
Residency: University of Hawaii
2023-2024
Kyle Cassling, MD
MD: University of Nebraska
Residency: Vanderbilt University
Andrew Varone, MD
MD: Brown University
Residency: Brown University
2022 - 2023
Roukaya Hassanein, MD
MD: St. George’s University
Residency: Monmouth Medical Center
2020-2021
Rich Johnson, DO
DO: Des Moines University
Residency: University of Buffalo
2021-2022
Justin Doble, MD
MD: University of Utah
Residency: Penn State
2019 - 2020
Chaitanya Vadlamudi, MD
Faculty Surgeon
Medstar Georgetown University
Washington, DC
2018 - 2019
Susan Maurer, MD
Assistant Professor of Clinical Surgery
Vanderbilt University
Nashville, TN
2017 - 2018
Colleen Alexander, MD
General Surgeon
Springfield Regional Medical Center
Springfield, OH
2016 - 2017
Mazen Al-Mansour, MD
General Surgeon
Riverbend Medical Group
Springfield, MA
2015 - 2016
Eleanor Fung, MD
Staff Surgeon
Trillium Health Partners
Toronto, Ontario
2014 - 2015
Edward Jones, MD
Assistant Professor of Surgery, General Surgery
Denver VA Medical Center
University of Colorado
Aurora, CO
2013 - 2014
Michael Meara, MD, MBA
Assistant Professor of Surgery
The Ohio State University Wexner Medical Center
Columbus, OH
2012 - 2013
Mario Salazar, MD, MBA
Texas Tech University Health Sciences Center
Odessa, TX
2011 - 2012
Kashif Zuberi, MBBS
Minimally Invasive Surgery Fellowship
Johns Hopkins University Department of Surgery
Baltimore, MD
2019 - 2020
Chaitanya Vadlamudi, MD
Faculty Surgeon
Medstar Georgetown University
Washington, DC
2018 - 2019
Susan Maurer, MD
Assistant Professor of Clinical Surgery
Vanderbilt University
Nashville, TN
2017 - 2018
Colleen Alexander, MD
General Surgeon
Springfield Regional Medical Center
Springfield, OH
2016 - 2017
Mazen Al-Mansour, MD
General Surgeon
Riverbend Medical Group
Springfield, MA
2015 - 2016
Eleanor Fung, MD
Staff Surgeon
Trillium Health Partners
Toronto, Ontario
2014 - 2015
Edward Jones, MD
Assistant Professor of Surgery, General Surgery
Denver VA Medical Center
University of Colorado
Aurora, CO
2013 - 2014
Michael Meara, MD, MBA
Assistant Professor of Surgery
The Ohio State University Wexner Medical Center
Columbus, OH
2012 - 2013
Mario Salazar, MD, MBA
Texas Tech University Health Sciences Center
Odessa, TX
2011 - 2012
Kashif Zuberi, MBBS
Minimally Invasive Surgery Fellowship
Johns Hopkins University Department of Surgery
Baltimore, MD
Bradley Zagol, MD
Department of Surgery
Womack Army Medical Center
Building 4-2817 Reilly Road
Fort Bragg, NC
2009 - 2010
Vanchad Ron Memark, MD
WellStar Douglas Surgical Associates
4904 Timber Ridge Drive Suite 104
Douglasville, GA 30135
2008 - 2009
Joel B. Anderson, MD
Muskegon Surgical Associates
1316 Mercy Drive
Muskegon, MI 49444
2007 - 2008
Lynn Happel, MD
Homestead, FL 33033
2006 - 2007
Vimal K. Narula, MD
Associate Professor of Surgery
The Ohio State University Wexner Medical Center
410 W. 10th Ave.
Columbus, OH 43210