Sean Grullon

Sean Grullon is a distinguished Principal Generative AI Engineer at Madrigal Pharmaceuticals since June 2025, previously serving as Associate Director of Machine Learning at PathAI, where leadership was exhibited for the Pathology AI Research (PAIR) initiative. Prior roles include Lead AI Scientist at Proscia and Head of Machine Learning at Phenomic AI, alongside a notable tenure as Director of Machine Learning at GSK, where significant advancements in genome analysis and clinical trial design were achieved. Sean's experience spans data science roles at IBM and Booz Allen Hamilton, focusing on cognitive applications and market share modeling. Academic foundations include a PhD in Physics from the University of Wisconsin-Madison and a BS in Physics from Florida International University.