Senthil Nachimuthu, MD, PhD, FAMIA, is the Chief Medical Officer and lead of Nightingale Open Science, a non-profit hosted at the University of Chicago that enables healthcare machine learning research and teaching worldwide on deidentifed medical data sets. Senthil is also a co-founder of Care Cadet, a start-up that provides healthcare price transparency data to patients, and related services to employers and healthcare providers. Previously, Senthil worked at Truveta and 3M Healthcare in product management and research leadership roles in medical informatics, analytics, interoperability, and healthcare standards. He has led interoperability efforts at several hospitals, contributed to HL7 and SNOMED standards, and served as an advisor to the US Congress. Senthil also serves as an Adjunct Assistant Professor of Biomedical Informatics, where he teaches and conducts research on clinical decision support and interoperability. He is also a researcher in infectious disease epidemiology at the University of Utah School of Medicine and the Salt Lake City VA Medical Center. Senthil received his medical degree from Stanley Medical College, Chennai, and his PhD in Biomedical Informatics specializing in healthcare machine learning from the University of Utah School of Medicine.