Medical College of Wisconsin Division of Congenital Heart Surgery - Faculty and Advanced Practice Providers
Clinical Faculty

Michael E. Mitchell, MD
Professor and Chief of the Division of Congenital Heart Surgery at the Medical College of Wisconsin; Medical Director of Cardiothoracic Surgery at Children's Wisconsin; Surgical Director of the Herma Heart Institute; and the S. Bert Litwin Chair in Cardiothoracic Surgery at Children's

Tracy R. Geoffrion, MPH, MD
Assistant Professor

Viktor Hraska, MD, PhD
Professor, Congenital Heart Surgery

Ronald K. Woods, MD, PhD
Professor, Congenital Heart Surgery
Research Faculty

John E. Baker, PhD
Professor

Aoy Tomita Mitchell, PhD
Professor with Tenure, Department of Surgery, Division of Pediatric Cardiothoracic Surgery, and Professor of Biomedical Engineering
Advanced Practice Providers

Aaron Kleinertz, MCPHS, PA-C
Physician Assistant

Allyssa Nicholas, MPAS, PA-C
Physician Assistant

Ryan Smith, MPAS, PA-C
Physician Assistant
Children's Wisconsin
Jennifer Ingle, PA-C
Michael Madrzak, PA-C
Eliot May, PA-C