David Sealey, Ph.D.

Adjunct Professor

Janssen Inc.
19 Green Belt Drive
Toronto, ON M3C 1L9


Ph.D.:  University of Toronto
B.Sc.:  University of Toronto

Fields of Interest:

  • Graduate Professional Development

Dr. David Sealey is Associate Director of Regulatory Affairs at the Janssen Pharmaceutical Companies of Johnson & Johnson. At Janssen, David has guided drug development programs at various stages from pre-clinical to marketing authorization to post-marketing. He previously held a position in Medical Affairs, and has covered multiple therapeutic areas including oncology, immunology, and virology. Prior to Janssen, David worked as a consultant developing medical education content and scientific articles for pharmaceutical companies, scientists and healthcare professionals. David trained as a cancer biologist at the Campbell Family Institute for Breast Cancer Research/Ontario Cancer Institute. He holds a Ph.D. (Medical Biophysics) and Hon.B.Sc. (Pharmacology) from the University of Toronto. David has been a mentor to students through University College, the Life Sciences Career Development Society, and the Science Career Impact Project (sciencecareerimpact.org) – a volunteer organization that he co-founded to deliver transformational experiences to sciences trainees seeking careers in industry.