Medical Leadership

Nationwide Children’s Hospital has more than 60 departments and sections dedicated to pediatric expertise. The list below is of those who hold medical leadership positions within the organization.

Please click on the leader's name to find:

  • Mailing address
  • Phone number
  • Maps & directions
  • Bio information

If you have any questions, please contact the Medical Staff Office at (614) 722-3040.

Download our Nationwide Children’s Hospital Leadership Composite »

Executive Leadership
Chief Executive Officer Timothy C. Robinson
Chief Medical Officer Richard J. Brilli, MD, FAAP, MCCM
Chief Operating Officer Richard J. Miller, MHA
Executive Vice President Chief Financial/Administrative Officer Luke Brown - Interim
Physician-in-Chief / President, The Research Institute
John A. Barnard, MD
Oluyinka O. Olutoye, MD
Senior Vice President and Chief Nursing Officer
Linda S. Stoverock, RN, DNP
Senior Vice President, Strategies and Facilities Planning
Patty McClimon
Senior Vice President, Legal Services
Rhonda Comer, JD
Chief Medical Information Officer
Jeffrey M. Hoffman, MD
President, Nationwide Children's Foundation
Stephen P. Testa, Jr.
Chief Marketing and Communications Officer
Donna W. Teach
Chief Human Resources Officer
Lorina Wise
President, Center for Family Safety and Healing
Lynn Rosenthal



Medical Administration
Medical Director for Quality Elizabeth D. Allen, MD
Associate Chief Medical Officer Thomas Bartman, MD, PhD
Associate Medical Director for Quality Robert J. Gajarski, MD
President, Partners For Kids Sean P. Gleeson, MD, MBA
Surgical Operations Officer Jonathan I. Groner, MD
Director, Medical Operations Nadeem Khan, MD, FAAP
Associate Administrative Medical Director William W. Long, MD
Administrative Medical Director Bruce P. Meyer, MD
Associate Community Medical Director Robert W. Snyder, MD
Associate Community Medical Director Jennifer White, MD



Medical Staff Officers
Medical Staff President Thomas L. Pommering, DO
Medical Staff Vice President Meredith M. Lind, MD
Medical Staff Past President Allan C. Beebe, MD



Department and Section Chiefs
Department of Anesthesiology & Pain Medicine Joseph D. Tobias, MD
Department of Cardiothoracic Surgery Mark E. Galantowicz, MD
Department of Dentistry Janice A. Townsend, DDS, MS
Section of Oral & Maxillofacial Surgery Peter E. Larsen, DDS
Section of Orthodontics Henry W. Fields, DDS
Division of Pediatric Dentistry Janice A. Townsend, DDS, MS**
Section of Pediatric Dentistry Janice A. Townsend, DDS, MS
Department of General Pediatric Surgery Gail E. Besner, MD
Department of Hospital Medicine Ryan S. Bode, MD
Section of Adult Hospital Medicine Jamie R. Macklin, MD
Section of Hospital Pediatrics Ryan S. Bode, MD
Department of Pathology & Laboratory Medicine Shamlal Mangray, MBBS - Interim
Section of Anatomic Pathology Shamlal Mangray, MBBS
Section of Clinical Pathology Kathleen K. Nicol, MD
Department of Ophthalmology David L. Rogers, MD
Department of Orthopedics Kevin E. Klingele, MD
Department of Otolaryngology Charles A. Elmaraghy, MD
Department of Pediatric Abdominal Transplant Surgery William K. Washburn, MD
Department of Pediatric & Adolescent Gynecology & Obstetrics Geri D. Hewitt, MD
Department of Pediatric Colorectal & Pelvic Reconstructive Surgery Richard J. Wood, MD 
Department of Pediatric Neurosurgery Jeffrey R. Leonard, MD
Department of Pediatric Plastic & Reconstructive Surgery Richard E. Kirschner, MD, FAAP, FACS
Department of Pediatric Urology V. Rama Jayanthi, MD
Department of Pediatrics John A. Barnard, MD
Section of Adolescent Medicine Andrea E. Bonny, MD
Division of Allergy & Immunology Mitchell H. Grayson, MD*
Section of Allergy & Immunology Rebecca Scherzer, MD
Division of Cardiology Catherine Krawczeski, MD*
Section of Cardiology Robert J. Gajarski, MD
Section of Child & Family Advocacy Megan M. Letson, MD, M.Ed
Division of Clinical Informatics Jeffrey M. Hoffman, MD*
Section of Complex Care Garey H. Noritz, MD
Division of Critical Care Mark W. Hall, MD, FAAP, FCCM*
Section of Critical Care Nadeem Khan, MD, FAAP
Section of Dermatology Patricia M. Witman, MD
Division of Developmental & Behavioral Pediatrics Rebecca A. Baum, MD*
Section of Developmental & Behavioral Pediatrics Rebecca A. Baum, MD
Division of Emergency Medicine Rachel M. Stanley, MD*
Section of Emergency Medicine Michael J. Stoner, MD
Section of Endocrinology Manmohan K. Kamboj, MD
Section of Family Practice Vacant
Division of Gastroenterology & Hepatology & Nutrition Carlo Di Lorenzo, MD*
Section of Gastroenterology & Hepatology & Nutrition Ivor D. Hill, MD
Section of General Pediatrics Robert W. Snyder, MD
Division of Genetic and Genomic Medicine Kim L. McBride, MD, MS*
Section of Genetic and Genomic Medicine Dennis W. Bartholomew, MD
Division of Hematology & Oncology Timothy P. Cripe, MD, PhD*
Section of Hematology & Oncology Randal S. Olshefski, MD
Division of Infectious Diseases Octavio Ramilo, MD*
Section of Infectious Diseases William J. Barson, MD
Division of Neonatology Leif D. Nelin, MD*
Section of Neonatology Edward G. Shepherd, MD
Division of Nephrology John David Spencer, MD*
Section of Nephrology Hiren P. Patel, MD
Division of Neurology Anne M. Connolly, MD*
Section of Neurology Anup D. Patel, MD
Section of Physical Medicine Michelle A. Miller, MD
Division of Primary Care Pediatrics Alex R. Kemper, MD*
Section of Primary Care Pediatrics Dane A. Snyder, MD
Division of Pulmonary Medicine Karen S. McCoy, MD*
Section of Pulmonary Medicine Richard D. Shell, MD
Section of Rheumatology Stacy P. Ardoin, MD
Section of Sports Medicine Thomas L. Pommering, DO
Section of Toxicology Marcel J. Casavant, MD
Department of Psychiatry and Behavioral Health David A. Axelson, MD
Section of Psychiatry David A. Axelson, MD
Section of Psychology Eric M. Butter, PhD
Department of Radiology Rajesh Krishnamurthy, MD
Section of Body Radiology Brent H. Adler, MD
Section of Interventional Radiology Patrick S. Warren, MD
Section of Nuclear Medicine Adam J. Bobbey, MD
Section of Neuro Radiology Jeremy Y. Jones, MD

* Ohio State University Department of Pediatrics Division Chief

**Ohio State University College of Dentistry