
From a Johnstown sales desk to Pittsburgh real estate and TeleTracking, Michael Zamagias has built a career on commitments measured in decades. His most revealing business joke is about the calendar.
Nigel Ohrenstein is the CEO of Diagnostic Robotics, a Boston-based AI healthcare company building predictive tools for population health, triage, and care management. A UK-born former lawyer turned consultant, he has spent more than two decades operating at the front edge of value-based care: he scaled Express Scripts' Medicare business from under $10 million to over $500 million, co-founded the value-based care leader Lumeris, and served as president of both Kaia Health and TeleTracking Technologies before taking the helm at Diagnostic Robotics.