John P. Marren is a founding partner of the firm of Hogan Marren Babbo & Rose, Ltd. with ten (10) years of clinical and administrative experience in health care, and more than 38 years of experience in health care and general corporate, not-for-profit and transactional law. He is recognized as a national expert in managed care, healthcare antitrust, Clinical Integration (CI), Accountable Care Organization (ACO) development and other hospital/physician alignment strategies. Mr. Marren has consistently been listed as a leading lawyer in Chambers USA in Healthcare and is recognized for having “pioneered managed care legal issues” and for his “significant involvement in structuring clinically integrated provider networks” as well as his expertise in “antitrust compliance matters.”