Chief Executive Officer, Children’s Specialty Group

Jason Jarzembowski, MD, PhD, serves as Chief Executive Officer for Children’s Specialty Group, a multispecialty academic practice of nearly 850 physicians and advanced practice providers dedicated to advancing exceptional, compassionate care for kids and families at Children’s Wisconsin. At the Medical College of Wisconsin, Dr. Jarzembowski serves as Vice Chair for Pediatric Pathology, Professor in the Department of Pathology, and Senior Associate Dean of Clinical Affairs for the Pediatric Practice. He also is Chair of the Pathology Discipline Committee for Children’s Oncology Group.

Dr. Jarzembowski earned his Doctorate in Molecular and Cellular Pathology from the University of Wisconsin-Madison and his Medical Degree, with research honors, from the Medical College of Wisconsin. He completed residency training in Anatomic and Clinical Pathology at the University of Michigan, followed by fellowship training in Pediatric Pathology at St. Louis Children’s Hospital and Washington University in St. Louis.

In 2026, Dr. Jarzembowski was elected as a trustee of the American Board of Pathology. He also serves as Associate Editor for Pediatric and Developmental Pathology and the American Journal of Clinical Pathology and participated in the editorial board for the inaugural World Health Organization Classification of Tumours: Paediatric Tumours.