Leonard D'Avolio, PhD, is the Director of Informatics at Ariadne Labs, a joint venture of Brigham and Women's Hospital and the Harvard School of Public Health. He is co-creator of the healthcare prediction platform Cyft, an assistant professor at Harvard Medical School, and a writer whose work can be found at Medicine's 4th Paradigm. He can be reached at [email protected] or via Twitter @ldavolio.