John P. Marren is a founding partner of the firm of Hogan Marren Babbo & Rose, Ltd. with fifteen (15) years of clinical and administrative experience in health care, and more than 35 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.”

With respect to pertinent merger/antitrust involvement, Mr. Marren was lead counsel in:

• The formation of Northwestern Healthcare Network, including Northwestern Memorial Hospital and a system of seven hospitals under a common parent involving filing for and working with

the Federal Trade Commission;

• The formation of the Loyola University of Chicago health system;

• The formation of Alegent, a system of six hospitals in Omaha, Nebraska, which included working with the Federal Trade Commission and the Department of Justice in finding an exemption from the application from traditional antitrust laws;

• The merger of Highland and Strong Hospitals in Rochester New York

• The formation and restructuring of Optima Health, a three hospital healthcare system in Manchester, New Hampshire;

• The defense of a challenge to the merger of Victory Memorial Hospital and St. Therese Hospital in Waukegan, Illinois;

• The demerger of the relationship of St. Luke’s Hospital, Boise, Idaho, and Saltzer Medical Group