John Costello

John Costello is a Scientist I at AbbVie since August 2025, specializing in discovery. Prior to this role, John served as a Senior Research Associate at the Broad Institute of MIT and Harvard, focusing on biophysical characterization of therapeutics, and at Walden Biosciences, where the development of in vitro assays for biologic candidates was a key responsibility. John's earlier experience includes a significant tenure at the Henry M. Jackson Foundation for the Advancement of Military Medicine, first as a Laboratory Technician II and then as a Research Associate II, optimizing laboratory protocols and supporting preclinical and clinical research. John holds multiple advanced degrees, including a Master's in Biotechnology - Entrepreneurship from Johns Hopkins University, an MBA from the Johns Hopkins University - Carey Business School, a Master's in Physiology from Georgetown University, and a Bachelor of Arts in Biology/English from Tufts University.