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Kevin P. Murphy
Chief Executive Officer

Kevin served as COO of U.S. Medical Management and Visiting Physicians Association from 2011 to 2015. As COO of USMM he transformed the nation’s largest house call practice (U.S. Medical Management/VPA) from a 17-year-old Fee-For-Service house call practice into the most successful value-based medical practice to date.

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Carl G. Zimmerman
Chief Financial Officer/Chief Operating Officer

Carl served as Vice President, Corporate Development at CenseoHealth from 2014-2015. Prior to CenseoHealth, he served as Vice President at Health Evolution Partners, a middle market private equity firm with over $700M under management.

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Steven R. Counsell, M.D.
Chief Medical Officer

Dr. Counsell is Board Certified in internal and geriatric medicine and is Immediate Past President and Chairman of the Board of Directors for the American Geriatrics Society. Prior to joining Principium Health, he served as the Mary Elizabeth Mitchell Professor and Chair in Geriatrics at Indiana University (IU) School of Medicine and Founding Director of the IU Geriatrics program.