You can contact the IRB Office if you have questions or complaints about a particular research study, about the ethical conduct and oversight of human research studies in general, or if you have suggestions for ways the IRB Office can improve.

The IRB Office is open Monday - Friday from 8:00 a.m. to 5:00 p.m. The IRB Office Director is Amy Schwarzhoff and Joyce Hartley provides Help Desk support. You can call the main telephone number (215-590-2830) to ask for any of the individuals listed on this page. If you would prefer to send correspondence via email, complete the form on the right side of the page.

IRB Office Leadership

Office Address
IRB Office
The Children's Hospital of Philadelphia
3535 Market Street, Suite 1200
Philadelphia, PA 19104

Main Office Phone: 215-590-2830
Office Fax: 215-590-4927

IRB Chairs

Barbara Engel, MD, PhD
Chair, CPHS

Mark Schreiner, MD
Executive Vice-Chair, CPHS

Susan Levy, MD, MPH
Vice-Chair, CPHS

CHOP IRB Office Leadership

Amy Schwarzhoff, MS, MBA, CIP
Director, Human Subjects Research

Heather Cathrall, MBE, CIP
Assistant Director, IRB Operations

CHOP IRB Administrative Support

Joyce Hartley, BS, CIP
Resource Coordinator

Contact the IRB Office

Please send your email inquiries to