Dr. Grohar is a pediatric oncologist and physician-scientist focused on the development of novel molecularly targeted therapies for pediatric solid tumors. He completed pediatric training and a fellowship in hematology-oncology at Johns Hopkins University and the National Institutes of Health, and held faculty appointments at Vanderbilt University and the Van Andel Institute prior to his arrival at CHOP as an associate professor of pediatrics and director of translational research within the Center for Childhood Cancer Research.

Dr. Grohar is recognized for his work in Ewing sarcoma, and holds leadership positions within the Center for Childhood Cancer Research at CHOP and nationally within the Children’s Oncology Group. He is the vice-chair for Biology of the Bone Tumor Committee, co-chair of Combined Sarcoma Biology Committee and chair of the Ewing Sarcoma Biology Committee. He is a principal investigator with the Sarcoma Alliance for Research through Collaboration.

Dr. Grohar also serves as an ad hoc reviewer for multiple journals, the National Institutes of Health, and for the Cancer Prevention Research Institute of Texas.

PhD, Wayne State University (Chemistry and Biochemistry)

MD, Wayne State University

BS, Villanova University (Chemistry)

Attending Physician

Senior Research Scientist

Director, Translational Research, Center of Childhood Cancer Research

Associate Professor of Pediatrics

Kelly and Chad Punchard Endowed Chair of Translational Sarcoma Research

Bone Tumor Committee, Vice-Chair for Biology, 2019-

Ewing Sarcoma Biology Committee, Chair, 2019-

Combined Sarcoma Biology Committee, Co-Chair, 2018-

Children’s Oncology Group Therapeutic Task Force, 2017-present

• Osteosarcoma, 2019-
• Ewing Sarcoma, 2017-

Children’s Oncology Group, Bone Tumor Steering Committee, 2015-

Ewing Sarcoma Biology Committee, Vice-Chair, 2015-2019

QuadW-Biospecimen Committee, 2016-

Connective Tissue Oncology Society, 2011-

Children’s Oncology Group, 2011-

American Association for Cancer Research, 2009-

Alex’s Lemonade Stand: Northwestern Mutual Innovative Grant Award, 2018

St. Baldrick’s Scholar, 2017

• Developmental Therapeutics Program
• Very Rare Malignant Tumors Program
• Cancer Center
• Solid Tumor Program