Meet our leadership team


John M. Murphy, MD

Full Bio

Dr. Murphy has more than 40 years of experience in healthcare management and medicine. He joined Western Connecticut Health Network when it was formed. He was president and CEO of Danbury Hospital when it reached an affiliation agreement with New Milford Hospital in 2010 to create Western Connecticut Health Network. Prior to taking on an administrative role, Dr. Murphy practiced neurology in the Danbury, Conn., area for 20 years. Dr. Murphy earned his bachelor’s degree from Fordham University in the Bronx, NY and his medical degree from the University of Medicine and Dentistry of New Jersey (UMDNJ), now called Rutgers New Jersey Medical School in Newark, NJ. He completed his residency in internal medicine and neurology at the UMDNJ Hospital system.


Robert Friedberg

Full Bio

Mr. Friedberg has over 25 years of healthcare management experience, most recently serving as President and CEO of Health Quest. He was instrumental in reshaping the strategic direction of the Health Quest system through growth and a commitment to medical education. Over the past five years, he has been focused on redefining and improving quality and operations of the health system and leading the initiatives to redevelop the hospital and ambulatory network campuses, inclusive of the Vassar Brothers Medical Center patient pavilion and the Marist Health Quest School of Medicine. Prior to joining Health Quest in 2014, Mr. Friedberg was the executive vice president of operations for Cadence Health in Winfield, Ill., and president of Delnor Hospital in Geneva, Ill., then an affiliate of Cadence Health. He earned a bachelor’s degree from the University of Rochester in Rochester, NY, and a Master of Health Administration degree from Cornell University in Ithaca, NY.

As Nuvance Health, we remain devoted to caring for our unique communities.

That is why our local, community-based leadership and separate boards of directors oversee each hospital.

  • Meet our executive leadership team

    Kerry Eaton

    Chief Operating Officer

    Catherine Frierson

    Chief Human Resources Officer

    Michael Holzhueter, JD

    Chief Administrative and Chief Legal Officer

    Christopher Lehrach, MD, MBA

    President, Medical Groups

    Grace Linhard

    Chief Development Officer

    Wayne McNulty, JD

    Chief Compliance Officer

    Steve Rosenberg

    Chief Financial Officer

    Sharon Adams, RN

    President, Danbury Hospital, New Milford Hospital

    Peter Cordeau, RN

    President, Norwalk Hospital

    Denise George, RN

    President, Northern Dutchess Hospital Interim President, Sharon Hospital

    Peter Kelly

    President, Putnam Hospital Center
  • Meet our Nuvance Health Board of Directors

    The new organization’s board of directors includes diverse and equitable volunteer community representation: eight members were nominated by Health Quest and eight were nominated by WCHN.

    • Gregory Rakow (Board Chair)
    • Andrew Whittingham (Vice Chair)
    • David Cyganowski
    • Joseph DiVestea
    • Robert Dyson
    • Carla Gude
    • Mark Gudis
    • Richard Jabara
    • Steven Lant
    • Luke McGuinness
    • Mary Madden
    • Daniel McCarthy
    • Michael Nesheiwat, M.D.
    • Anne Roby
    • Syed Shahid, M.D.
    • Ervin Shames
    • John Murphy, M.D. (ex officio)
    • Robert Friedberg (ex officio)