Michael R. Callahan

Michael R. Callahan is a seasoned health care consultant with extensive experience in legal and consulting roles within the health care sector. Currently serving as a Senior Health Care Consultant at The Hardenbergh Group since August 2024, Callahan offers valuable services to hospitals and health systems, focusing on areas such as peer review, medical staff bylaws, and policy development. Prior to this role, Callahan worked for 40 years in various legal capacities, including Senior Counsel in the Health Care Practice Group at Katten Muchin Rosenman LLP and an Associate at Hinshaw & Culbertson LLP. Callahan began the legal career as a Law Clerk to Justice Daniel P. Ward at the Supreme Court of Illinois. Educational credentials include a Juris Doctor from DePaul University College of Law and a BA in Political Science from Northern Illinois University, where honors were received.