Fausto Milletari, Ph.D. is a Staff AI Scientist at the Chan Zuckerberg Initiative, where he builds foundation models for biology and single cell transcriptomics. With 15+ years bridging research and product development, he has shaped AI applications across medical imaging, surgical video analysis, and computational pathology at organizations including NVIDIA, Johnson & Johnson, and Paige.ai. His work includes the widely-adopted V-Net architecture and pioneering contributions to federated learning in healthcare. Author of 40+ peer-reviewed publications with over 19,000 citations and inventor on multiple patents, Fausto combines deep technical expertise with a passion for building products that work in the real world. He has also founded and successfully exited a consumer technology startup.