Jonca was born in Union, South Carolina, the oldest of three daughters.From an early age, her goal was to be of service in health care. Her current work as a Vice President in a clinical research organization focuses on clinical and regulatory expertise over a range of therapeutic areas, guiding teams on the strategic development and implementation of clinical trials of innovative medical products. She has over two decades in policy development and advocacy of the importance of clinically meaningful inclusion of minority populations in clinical trials.
From 2017-2019, she served as Vice President of Regulatory Consulting within PPD Global Product Development and therapeutic director for Ophthalmology. She is a subject matter expert in advancing clinical trial diversity, bioethical considerations in clinical trials, and patient centricity and patient voice. Prior to joining PPD, from 2012-2017, Dr. Bull served as Assistant Commissioner at FDA with a focus on diverse populations and clinical trials; vice president for U.S./North American regulatory policy for Novartis Pharmaceuticals (2008-2012); and director of clinical regulatory policy for Genentech (2006-2008). From 1994 to 2006, Dr. Bull held various senior leadership roles in the FDA across a range of disease areas and programs in pre and post-market drug regulation. From 1982 to 1994, she cared for patients in a multi-specialty medical/surgical practice in the Washington metro area.
Dr. Bull holds an undergraduate degree from Princeton University, a medical degree from Duke University, and did residencies in general medicine and in ophthalmology at George Washington University Hospital in Washington, D.C.. She is board certified and a fellow of the American Academy of Ophthalmology. She has been a member of the board of Carefirst Blue Cross/Blue Shield since 2017 and serves on the Research, Education and Innovation Committee at Children’s National Medical Center. She and her husband are the proud parents of four adult children and have four grandchildren.