Meet Ohio State's team of general and gastrointestinal surgery experts


The Division of General and Gastrointestinal Surgery comprises a comprehensive team of surgeons and staff, all focused on delivering high-quality patient care, contributing to innovations in medicine and educating medical students and postgraduate trainees.

Our Leaders

Our leaders

needleman bradley leader

Bradley J. Needleman, MD

Interim Chief, Division of General and Gastrointestinal Surgery

Director, Bariatric Surgery Program
Professor of Clinical Surgery

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Chandan Leader

Chandan K. Sen, PhD

Vice Chairman for Research, Department of Surgery

Professor of Surgery

Deputy Director, Davis Heart and Lung Research Institute
Director, DNA Microarray and Genetics Facility, Davis Heart and Lung Research Institute
Professor, Department of Molecular and Cellular Biochemistry

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1209

David Renton, MD

Chief of Surgery, University Hospitals East

Associate Professor of Surgery


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Ellison leader

E. Christopher Ellison, MD

Vice Dean of Clinical Affairs

The Robert M. Zollinger Professor of Surgery

CEO, Faculty Group Practice
Associate Vice President for Health Sciences
Vice Dean of Clinical Affairs
Interim Dean, College of Medicine

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Our Doctors

Our Researchers

Current categorical general surgery residents

PGY 1

PGY1 general surgery residents

PGY1 general surgery residents

Apeksha Dave, MD

Categorical Resident
Hometown: Bhilai, India
Undergrad: Massachusetts Institute of Technology
MD: University of Connecticut School of Medicine
Hobbies: Painting, gardening, cooking and working out

Adrian Diaz, MD, MS, MPH

Categorical Resident
Hometown: Miami, FL
Undergrad: Nova Southeastern University
Graduate School: Barry University, Harvard T.H. Chan School of Public Health
MD: Virginia Commonwealth University School of Medicine
Hobbies: Cooking, traveling and running

Jing Han, MD

Categorical Resident
Hometown: Wuhan, CFN
Undergrad: Northwestern University
MD: Duke University School of Medicine
Hobbies: Running, baking, boxing, painting and designing custom tattoos

Gregory Metzger, MD

Categorical Resident
Hometown: Columbus, OH
Undergrad: The Ohio State University
MD: Ohio State University College of Medicine
Hobbies: Sports, Mentoring with Big Brothers program and spending time with family and friends

Emily Singer, MD

Categorical Resident
Hometown: Seattle, WA
Undergrad: Stanford University
MD: University of California, Los Angeles David Geffen School of Medicine
Hobbies: Marathon running, spending time with family, competition pistoling and reading

Ingrid Woelfel, MD

Categorical Resident
Hometown: Mesa, AZ
Undergrad: University of Notre Dame
MD: Virginia Commonwealth University School of Medicine
Hobbies: Running, biking, salsa and swing dancing and crossfit

Andrew McNair, MD

Preliminary Resident
Hometown: Cleveland, OH
Undergrad: Birmingham-Southern College
MD: University of Tennessee Health Science Center College of Medicine
Hobbies: Traveling and sports

Matthew Ogbeide, MD

Preliminary Resident
Hometown: Oklahoma City, OK
Undergrad: Texas Christian University
MD: Creighton University School of Medicine
Hobbies: Running, reading history and spending time with friends

Muhammad Shabisgh, MD

Preliminary Resident
Hometown: Damascus, SYRIA
MD: University of Damascus Faculty of Medicine
Hobbies: Amateur radio (ham radio), Circassian folklore dancing and reading

PGY2

PGY2 general surgery residents

PGY2 general surgery residents

Natalie Eisert, MD

Hometown: Hanover, Germany
Undergrad: BS, biology, Stanford University, 2011
MD: University of Michigan Medical School, 2016
Hobbies: Rock climbing and yoga

Francisco "Paco" Guzman, MD

Hometown: Monterrey, Mexico
MD: Escuela de Medicina Ignacio A. Santos, 2013
Hobbies: Running, weight lifting, cooking and snowboarding

Anghela Paredes, MD

Hometown: Lima, Peru
Undergrad: BS, food science and human nutrition, University of Florida, 2009
Graduate: MS in food science and human nutrition, University of Florida, 2011
MD: University of Illinois College of Medicine, 2016
Hobbies: Spending time with my family, attending fitness classes and salsa dancing

Amblessed Onuma, MD

Hometown: Aba, Nigeria
Undergrad: BS, biology, University of North Carolina Chapel-Hill, 2012
MD: University of North Carolina Chapel-Hill School of Medicine, 2016
Hobbies: Playing and watching soccer, cooking, catching up on TV shows and making fun of Duke fans

Kejal Shah, MD

Hometown: Raleigh, NC
Undergrad: BS in biology, minor in Spanish, Duke University, 2012
MD: The Ohio State University, 2016
Hobbies: Outdoor activities, sports, traveling and reading

Steven Sun, MD

Hometown: Ann Arbor, MI
Undergrad: BA, anthropology and biochemistry, Washington University in St. Louis, 2011
MD: University of Michigan Medical School, 2015
Hobbies: Soccer, watching Big Ten sports, finding new places to eat and cooking new recipes
PGY2 lab general surgery residents

PGY2 lab general surgery residents

Joe D. Drews, MD

Hometown: Bloomfield Hills, MI
Undergrad: Duke University, 2010
MD: University of Michigan, 2014
Hobbies: Baseball and running 

Chelsea Horwood, MD

Hometown: Westlake, OH
Undergrad: BS, biology, Saint Louis University
MD: Saint Louis School of Medicine, 2015
Hobbies: Cooking, reading, film

Anahita D. Jalilvand, MD

MD: Loyola University Chicago Stritch School of Medicine

David B. Koller, MD

Hometown: Houston, TX
Undergrad: Tulane University, 2010
MD: University of Texas-Houston, 2014

Rita Shelby, MD

Hometown: Dallas, TX
Undergrad: RN/BSN and neuroscience, University of Texas, 2007
MD: University of Texas-Galveston, 2015
Hobbies: Running, cooking, shopping and volunteering

Jason Zakko, MD

Undergrad: BA, University of Florida
MD: University of Florida

PGY3

PGY3 general surgery residents

PGY3 general surgery residents

Eliza W. Beal, MD

Hometown: Ann Arbor, MI
Undergrad: University of Michigan, 2008
MD: The Ohio State University, 2013
MMSc Candidate: Ex-vivo organ perfusion, liver transplantation, hepatocellular carcinoma, quality, patient safety and health services

Dathe Benissan-Messan, MD, MS

Hometown: Lome, Togo
Undergrad: BS, biology, Creighton University, 2009
Graduate
: MS, clinical anatomy, Creighton University, 2010
MD: University of Nebraska, 2015
Hobbies: Taekwondo, music and spending time with my wife and son

Christopher W. McQuinn, MD

Hometown: Rome, NY
Undergrad: Clarkson University
MD: Upstate Medical University, 2011
Hobbies: Skiing, running, golfing and hiking

Ekene A. Onwuka, MD

Hometown: Gary, IN
Undergrad: Tufts University, 2008
MD: Howard University College of Medicine, 2012
MMSc Candidate: Tissue engineered vascular graft, congenital cardiac disease, immunologic response to graft implantation
Hobbies: Running, reading and dining out

Kevin Ricci, MD

Hometown: Hyde Park, NY
Undergrad: BSE, biomedical engineering, Case Western Reserve University, 2011
MD: The Ohio State University College of Medicine, 2015
Hobbies: Weightlifting, audiobooks, cooking and playing racquetball

Michael Villarreal, MD

Hometown: San Antonio, Tx
Undergrad: BS, neuroscience, Baylor University, 2009
MD: University of Texas-Galveston, 2015
Hobbies: Cooking, traveling, reading, watching TV and movies, scuba diving and spending time with my dog
PGY3 lab general surgery residents

PGY3 lab general surgery residents

Clifford Akateh, MD


Melissa A. Hornor, MD

Hometown: Hilliard, OH
Undergrad: Ohio University, 2009
MD: The Ohio State University, 2013
Hobbies: Running, playing with my dog and cat

PGY4

PGY4 general surgery residents

PGY4 general surgery residents

Shaylyn C. Bennett, MD, MS

Hometown: Cambridge, OH
Undergrad: BS in mathematics, Ohio University, Athens, OH, 2007
MD: University of Toledo College of Medicine, 2012
Graduate: MS, The Ohio State University, 2016, lung transplantation, ex-vivo perfusion, cardiothoracic surgery
Hobbies: Horseback riding, volleyball, outdoor sports

Shayna A. Brathwaite, MD, MS

Hometown: Solon, OH
Undergrad: Case Western Reserve University, 2007
MD: Case Western Reserve University School of Medicine, 2012
Graduate: MS, The Ohio State University, 2016, chemoprevention in colorectal cancer
Hobbies: Gardening, reading, exercising and spending time with my puppy

Nakesha D. King, MD


Daniel L. Lodwick, MD, MS

Hometown: Royal Palm Beach, FL
Undergrad: University of Florida-Gaineville, 2006
Graduate: MS, nuclear engineering, University of Florida-Gaineville, 2008; MS, The Ohio State University, 2016, surgical outcomes in pediatric patients, elastography and liver fibrosis, pediatric radiation dosimetry
MD: University of Florida College of Medicine, 2012
Hobbies: Skydiving, automobile repair and modification, gardening

Michelle C. Nguyen, MD, MPH

Hometown: Davenport, IA
Undergrad: University of Iowa, 2009
MD: University of Iowa Roy J. and Lucille Carver College of Medicine, 2013
Graduate: MPH, The Ohio State University, 2016, quality, outcome and value-based patient care
Hobbies: Traveling, cooking Vietnamese food, hosting dinner parties, running and playing tennis

Magarya “Max” Waitara, MD

Hometown: Tarime, Tanzania
Undergrad: Macalester College, 2008
MD: Vanderbilt University
Hobbies: Biking, canoeing, playing soccer, watching sports, listening to music and going to church

Taehwan Yoo, MD

Hometown: Novi, MI
Undergrad: Northwestern University, 2007
MD: University of Michigan, 2012

PGY5

PGY5 general surgery residents

PGY5 general surgery residents

Folasade "Sade" Imeokparia, MD

Undergrad: BA, sociology, Cornell University, 2008
MD: The Ohio State University College of Medicine, 2013
Hobbies: Wood working and furniture making, cooking and entertaining, traveling and photography

Katie A. Levene, MD

Hometown: New Berlin, WI
Undergrad: University of Wisconsin – Madison, 2009
MD: Medical College of Wisconsin, 2013

Sara A. Mansfield, MD, MS

Hometown: Pomeroy, OH
Undergrad: Ohio University, 2007
MD: University of Cincinnati, 2011
Graduate: MS, The Ohio State University, 2015, immunology of CMV reactivation in sepsis, EBV viral oncogenesis
Hobbies: Carpentry, kayaking and playing softball

Kara M. Rossfeld, MD, MS

Hometown: Columbus, OH
Undergrad: The Ohio State University, 2007
MD: The Ohio State Univerisity College of Medicine, 2011
Graduate: MS, The Ohio State University, 2016, thyroid cancer 
Hobbies: Spending time with my husband and our dog Beta, eating and intermittent exercise

David S. Strosberg, MD, MS

Hometown: Albany, NY
Undergrad: University at Albany – State University of New York, 2008
MD: Upstate Medical University – State University of New York, 2012
Research interests: Clinical outcomes in vascular and general surgery and simulation in surgical education
Hobbies: Traveling, comedy and swimming

Contact

Lisa Lawrence
Division Administrator
614-293-7399
Lisa.Lawrence@osumc.edu

410 West 10th Avenue
N-714 Doan Hall