"Jonathan Schiller"

Garnet Health is pleased to announce the appointment of Jonathan Schiller as President and Chief Executive Officer (CEO) for the health system. Schiller will officially begin on June 1, 2023. Jerry Dunlavey will remain Garnet Health’s Interim President and CEO as well as Garnet Health Medical Center – Catskills’ Chief Operating Officer (COO) through May 31, 2023. Dunlavey will become CEO of Garnet Health Medical Center – Catskills on June 1, 2023. 

“Jonathan is returning to Garnet Health after a year away. On behalf of the board of directors and all employees, we warmly welcome him back to the Garnet Health family,” said Phillip Massengill, MD, FACS, Board Chair, Garnet Health. “We look forward to his outstanding leadership abilities in advancing Garnet Health’s growth and impact on the communities we serve.” 

Schiller comes back to Garnet Health after serving as the President and CEO of Oneida Health. Prior to joining Oneida Health, Schiller was CEO of Garnet Health Medical Center – Catskills. He joined Garnet Health in 2004 and held various leadership positions within the system, including Administrator of Revenue Cycle Management, Vice President and Site Administrator, and Vice President of Hospital Operations, providing organizational leadership to multiple ancillary departments. Schiller’s leadership was instrumental in the construction and opening of Garnet Health Medical Center’s new hospital in 2011, which included the relocation of Horton and Arden Hill hospitals to the new facility. 

In 2013, Schiller was promoted to COO for Garnet Health Medical Center and was responsible for daily operations of the hospital. He was appointed CEO of Garnet Health Medical Center – Catskills in 2017, providing executive leadership for the Harris and Callicoon hospital campuses, as well as systemwide executive support for the Hospitalist, Intensivist, Psychiatry and Emergency Management services.  

“After working a year in central New York, this change reunites my family at home and provides a refreshed opportunity to advance healthcare in the Catskills and the Greater Hudson Valley. To say this feels like a homecoming is nothing short of an understatement,” said Schiller. “I am excited to return to Garnet Health and be part of an organization that works hard to meet the needs of the community and cares so deeply for the patients. I stand committed to serving the residents of Orange and Sullivan counties, ensuring that access to quality healthcare remains a top priority.” He continued, “I am also honored to be working with my friend and colleague Jerry Dunlavey once again. Jerry has made Garnet Health proud as interim president and CEO, and will make an excellent CEO for Garnet Health – Catskills.”

Schiller received a bachelor’s degree in human services at LeMoyne College and a master’s in health systems administration from Rochester Institute of Technology.

"Jerry Dunlavey"Dunlavey, who has held the position of Interim President and CEO for Garnet Health since Dec. 30, 2022, has nearly 25 years of healthcare leadership experience. He joined Garnet Health in 2001, serving as the system’s Vice President of Clinical Program Development and Operations. He was the senior executive responsible for the development of seven ACGME-accredited residency programs as well as the founding executive for Garnet Health Doctors, the health system’s employed medical group. In June 2022, Dunlavey was appointed Vice President of Operations for Garnet Health and COO for Garnet Health Medical Center – Catskills.
“Jerry is a seasoned healthcare executive and a thoughtful and strategic leader. On behalf of the board of directors, we are grateful to Jerry for moving Garnet Health forward during our search and selection process,” said Dr. Massengill. “As COO of Garnet Health – Catskills, Jerry has begun to build strong relationships, and with his knowledge of the health issues affecting Sullivan County, I am confident he will be a strong advocate for the community and a great CEO for the hospital.” 
Dunlavey earned a bachelor’s degree in finance and a master’s in business administration from Iona University in New Rochelle, New York. He also holds a Doctor of Chiropractic Medicine degree from Palmer College of Chiropractic in Davenport, Iowa. 

About Garnet Health

Garnet Health is a New York State, not-for-profit Corporation headquartered in Middletown, New York, approximately 60 miles northwest of New York City. It is the corporate parent of Garnet Health Medical Center, Garnet Health Medical Center – Catskills, Garnet Health Doctors, Garnet Health Urgent Care, Garnet Health Foundation and Garnet Health Foundation – Catskills. Garnet Health is dedicated to developing specialty services, medical programs and needed healthcare services that allow residents to remain close to home to receive quality care.

Providing healthcare to approximately 450,000 residents in Orange, Sullivan and Ulster counties, Garnet Health was designed to improve the quality, stability and efficiency of healthcare services in the mid-Hudson and Catskill region. Garnet Health provides services by more than 4,000 employed professionals and over 850 medical staff members. An academic affiliate of the Touro College of Osteopathic Medicine, Garnet Health retains compassionate professionals who continually strive toward the hospital’s mission to improve the health of our community by providing exceptional healthcare. To learn more about Garnet Health, visit