Alissa Keegan M.D.

Alissa Keegan MD, PhD currently serves as the Executive Medical Director at Dren Bio, Inc. since July 2025, following a similar role at CRISPR Therapeutics from November 2022 to July 2025. Alissa has prior experience as a Clinical Research Medical Director and Clinical Research Sr Medical Scientist at Amgen from July 2019 to November 2022. Previous positions include Postdoctoral Researcher at Brigham and Women's Hospital focusing on blood cytokine correlates to immunotherapy response and Clinical Pathology Resident in various domains of laboratory medicine. Alissa completed a Molecular Genetic Pathology Fellowship at Harvard Medical School, emphasizing molecular diagnostics. Alissa's academic background includes obtaining an MD and a PhD in Microbiology, Immunology, and Molecular Genetics, as well as a Bachelor's degree in Microbiology, Immunology, and Molecular Genetics, all from UCLA.