Garnet Health Executive Leadership

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At Garnet Health we recognize the impact that talented professionals have on the lives of our patients. Learn more about the exceptional individuals that comprise Garnet Health's Executive Leadership Team that drive our organization to improve the health of our community by providing exceptional healthcare.

Jonathan Schiller
President and Chief Executive Officer, Garnet Health

Jonathan Schiller is President and CEO of Garnet Health, a three-hospital healthcare delivery system including primary, urgent and multispecialty physician practices with multiple locations throughout New York’s mid-Hudson Valley. He previously served as President and CEO of Oneida Health. Prior to joining Oneida Health, Jonathan served as CEO of Garnet Health Medical Center – Catskills from 2017-2022, providing executive leadership for our Harris and Callicoon hospital campuses, as well as health system-wide executive support for the Hospitalist, Intensivist, Psychiatry and Emergency Management services.

He originally joined Garnet Health in 2004 as Administrator of Revenue Cycle Management and was later promoted to Vice President and Site Administrator of the Arden Hill Hospital Campus.  In 2009, he was promoted to Vice President of Hospital Operations in which he oversaw operations on the Arden Hill Hospital and Horton Medical Center Campuses in addition to providing organizational leadership to multiple ancillary departments. After overseeing the relocation of those two hospital campuses into one new hospital building in 2011, he was promoted to Chief Operating Officer in which he oversaw daily operation of Garnet Health Medical Center.

Prior to joining Garnet Health, Mr. Schiller was the Director of Patient Accounting at New York University Medical Center, and a member of Cap Gemini, Ernst and Young's national healthcare consulting practice, with specific areas of focus in hospital revenue cycle management and financial turn-around projects. He volunteers his time as a member of the Board of Directors of the American Heart Association, Sullivan 180, and Christ Health Care Ministry. Mr. Schiller earned a Bachelor of Science degree in Social Services from LeMoyne College and has Master of Health Systems Administration degree from Rochester Institute of Technology. He is a Fellow of the American College of Healthcare Executives and member of the Healthcare Financial Management Association.
 


Joe Anesi
Chief Legal Officer and General Counsel, Garnet Health

Joe Anesi photo

Joe Anesi oversees the office of General Counsel for Garnet Health: a central resource for all legal services and exclusive contact for outside counsel retention and management. He is responsible for all physician, managed care and business contracting; defense of all litigation; providing legal support to all members of the System and advising System Chief Executive Officers and Board of Directors on strategy and governance. Mr. Anesi also oversees the Associate General Counsel and Risk Management division.

Prior to assuming his role within Garnet Health, Mr. Anesi spent more than 23 years practicing law with law firms as well as public, private and not-for-profit corporations. His background includes corporate, regulatory, litigation and healthcare practices.

Mr. Anesi earned a Bachelor’s degree in English from the University of Rochester and graduated from the Duke University School of Law. He also has a Master of Public Health degree from the Harvard School of Public Health.
 


William Dauster
Chief Philanthropy Officer, Garnet Health &
President, Garnet Health Foundation

William Dauster photo

William Dauster is the Chief Philanthropy Officer for Garnet Health and is responsible for major donor cultivation and solicitation and for oversight of the system’s grants process.  He also serves as the President of the Garnet Health Foundation

Mr. Dauster has a broad array of experience in philanthropy, specializing in fundraising development. Prior to joining Garnet Health Medical Center, he was Vice President of Marketing and Development for Hudson Valley Hospital Center where he was responsible for foundation operations, capital campaign and revenue growth. Additionally, Mr. Dauster was responsible for marketing, public, community, government and physician relations. He completed a $16 million campaign at Hudson Valley Hospital Center and a $20 million campaign for a replacement facility for Jersey City Medical Center in New Jersey.

Mr. Dauster received his Master of Science degree in Specialized Journalism - Industrial Advertising & Public Relations from NYU Polytechnic University and his Bachelor of Arts degree in English from William Paterson University. He is a Certified Fund Raising Executive and founding President of the Association of Fundraising Professionals, Westchester Chapter. He has also been elected to the Vision Hudson Valley Board of Trustees.


Jerry Dunlavey
Chief Executive Officer, Garnet Health Medical Center - Catskills & Vice President of Operations

Jerry Dunlavey

Jerry Dunlavey is Chief Executive Officer, Garnet Health Medical Center - Catskills and Vice President of Operations for the system. He previously served as Interim President and Chief Executive Officer of Garnet Health, and Interim Chief Executive Officer of Garnet Health Medical Center. In his current role, he is responsible for professional and clinical support services across the health system as well as daily operations oversight of Garnet Health Medical Center - Catskills’ two Sullivan County campuses located in Harris and Callicoon. He is also a member of the Sullivan County Chamber of Commerce Board of Directors, and a member of the Sullivan County Partnership for Economic Development.

Mr. Dunlavey has nearly 25 years of healthcare leadership experience with the most recent years spent working within an integrated health system.  Prior to his current role, he served as Vice President / Executive Director of Garnet Health Doctors, the health system’s employed medical group.  In this capacity, he worked collaboratively with multiple health system leaders to establish the corporate and operational structure necessary to support the growth and development of a Garnet Health Doctors.  This included partnerships with several key health system support departments including Finance, Human Resources, Information Technology, Risk / Legal, Marketing, and Clinical Support Services.  This framework supported the clinical integration between Garnet Health Doctors and Garnet Health clinical service lines including Hospital Medicine, Critical Care, Neurology, Pediatrics, Psychiatry, Palliative Care and Trauma / Acute Surgery.  Garnet Health Doctors has since grown to more than 25 different clinical specialties and over 185 clinical providers.

As part of his role with Garnet Health Doctors, Mr. Dunlavey also served as the senior executive responsible for the development and accreditation of seven ACGME accredited Residency Programs including Internal Medicine, Family Medicine, Transitional Year, Psychiatry, General Surgery, Emergency Medicine and Neurology.  In addition to hosting more than 100 Residents annually, the department provides another 100 medical students with robust third and fourth year clinical rotations.

Prior to his role as Vice President / Executive Director of Garnet Health Doctors, Mr. Dunlavey was Vice President of Clinical Program Development and Operations at Garnet Health.  In this capacity, he was responsible for the growth, development, and operations of several hospital based clinical service lines including cardiology, orthopedics, oncology, neuroscience and medical rehabilitation.  He led numerous business and clinical development initiatives including the growth of the orthopedic department’s Total Joint Program, the development of a Level 2 Neonatal Intensive Care Unit, implementation of Primary Coronary Intervention, and the development of a Pediatric Emergency Department.

Mr. Dunlavey earned a Bachelor’s degree in Finance and a Master of Business Administration degree from Iona University in New Rochelle, NY.  He also holds a Doctor of Chiropractic degree from Palmer College of Chiropractic in Davenport, IA.


Craig Filippini
Chief Information Officer, Garnet Health

Craig Filippini photo

Craig Filippini is responsible for the oversight of Information Technology, Communications, Health Information Management and Biomedical Engineering for Garnet Health and for the continued advancement of technology for Garnet Health Medical Center - Catskills, Garnet Health Medical Center and Garnet Health Doctors.

Mr. Filippini was previously Associate Chief Information Officer at Garnet Health. He was responsible for the Communications and combined Information Technology (infrastructure, financial, and clinical) teams and served as a member of the IT Innovation and Technology committees.

Mr. Filippini joined the organization in 2016 as Administrator of Information Technology. He was responsible for the Information Technology Technical teams and the Communications department. He earned both his Bachelor’s degree in Information Technology and his Masters of Business Administration degree from Mount Saint Mary College. Mr. Filippini holds numerous certifications including IT Enterprise Administrator from Microsoft, and IT Service Management. Before joining Garnet Health, he was the Vice President and Chief Information Officer at SRSsoft, a national Electronic Health Record company.
 


Leroy C. Floyd, MD, CPE, FACP, FHM
Chief Clinical Transformation Officer, Garnet Health 

Leroy C. Floyd photo

Leroy Cordero Floyd III, MD is the Chief Clinical Transformation Officer (CCTO) for Garnet Health. In this role, Dr. Floyd oversees Quality and leads next-generation clinical operating performance and innovation.

Dr. Floyd’s leadership resume is extensive. He joined Garnet Health Doctors in 2015 as a Hospitalist and was promoted to Medical Director of the Hospitalist Program in 2019. In 2022, Dr. Floyd was named Chief Medical Officer for Garnet Health Medical Center – Catskills and Executive Sponsor to the Graduate Medical Education program in addition to his responsibilities to the Hospitalist Program. He currently serves as President of the Medical Staff for Garnet Health Medical Center. Previous leadership positions include Vice President of Medical Staff, Vice Chair of the Department of Medicine and Member-at-Large of the Medical Executive Committee (2020-2021), and Chair of Garnet Health Doctors Physicians Advisory Council (2018-2021).

Dr. Floyd is also deeply involved in academia, teaching as a clinical faculty member within Garnet Health Medical Center’s Internal Medicine Residency program and an Adjunct Clinical Assistant Professor of Medicine at Touro College of Osteopathic Medicine. He is a past Physician Assistant Preceptor for Touro, NYIT, Clarkson University and PACE University.

In addition to being Board Certified in Internal Medicine and a Certified Physician Executive, Dr. Floyd received his Doctor of Medicine from Florida State University and completed his Internal Medicine Residency at the University of Medicine and Dentistry of New Jersey. He served as Chief Medical Resident at Rutgers, The State University of New Jersey, New Jersey Medical School-East Orange Veterans Hospital. He earned his MBA from the University of Massachusetts.  


Christine Goodhart
Chief Human Resources Officer, Garnet Health

Christine Goodhart is Chief Human Resources Officer (CHRO) for Garnet Health. She oversees all aspects of Human Resources and People Management for the Health System including: Human Resources Operations, Benefits and Compensation, Employee and Labor Relations, Recruitment and Retention, Human Resources Information Systems, Payroll and Occupational Health and Wellness.

Ms. Goodhart previously served as Interim CHRO and has led the organization through numerous accomplishments throughout her tenure. She joined Garnet Health in 2009 as Director of Benefits and also served as Vice President, Human Resources Operations. Prior to this, she held leadership positions at the Center for Discovery, Nuvance (Health Quest) and the Hudson Valley Federal Credit Union.

Ms. Goodhart earned her Bachelor’s Degree from SUNY Geneseo, her Master’s Degree in Human Resource Management from Mercy College, and is a Certified Employee Benefits Specialist.


James P. Grigg
Chief Financial Officer, Garnet Health

James P. Grigg photo

James P. Grigg is Chief Financial Officer for the system an oversees all areas related to revenue and expenses. He is responsible for Patient Registration, Supply Chain, Hospital and Physician Billing, Patient Access, Coding, Clinical Documentation and Improvement, real estate and construction. As Chief Financial Officer, Mr. Grigg leads financial reporting, budgeting, accounting, decision support, supply chain functions and the revenue cycle process for the system.

Mr. Grigg holds both a Bachelor’s and Master’s degree in Accounting, is a Certified Public Accountant and has over 30 years of experience in healthcare finance, accounting and reporting.
 


Suzanne Lange Ahmed, MSN, RN, NEA-BC, RN-BC, CCM
Vice President Patient Care Services &
Chief Nursing Officer, Garnet Health Medical Center – Catskills

Suzanne Lange Ahmed photo

Ms. Lange Ahmed has been with the organization for 28 years and previously served as Administrator, Nursing Operations and Care Management Services where she had direct oversight of Critical Care, Medical/Surgical units, Surgical Services, Sterile Processing, Nursing Administration, Contracted Dialysis Services, Case Management and Rape Intervention and Education departments.

In her role as Chief Nursing Officer and VP of Patient Care Services, Ms. Lange-Ahmed maintains clinical and patient-care standards. This includes ensuring that the patients are safe in the hospital and have access to the right medical care. She is also responsible for formulating and implementing new nursing strategies.

Ms. Lange-Ahmed began her career as a staff nurse and received Associates degrees in Applied Science in Nursing and in Para legalism from Sullivan County Community College. She graduated Summa Cum Laude from SUNY Delhi with a Bachelor of Science degree in Nursing and graduated Summa Cum Laude from Norwich University with a Master of Science degree in Nursing Administration.
 


Pamela Murphy, MD
Chief Medical Officer, Garnet Health Medical Center

Pamela Murphy photo

Dr. Pamela Murphy has been an Emergency Medicine physician in our community since 1993. She came to Garnet Health Medical Center in 2013 as an Emergency Medicine physician with Schumacher Group and for the past five years has served as Physician Advisor and Vice President of Emergency Services and Observation Medicine. Dr. Murphy also serves as the EMS Medical Director of the Hudson Valley Region, and is the Medical Director for the Orange County Department of Health. 

Dr. Murphy received her Bachelor's Degree in Chemistry / Biology from California State University, her Medical Degree from St. George's University School of Medicine. She completed her residency at the Brooklyn Hospital Center in Brooklyn, NY and is a Board Certified Fellow if the American College of Emergency Physicians. Dr. Murphy is currently pursing her MBA.
 


Izabela Nowosielski, MD, FHM
President & Chief Medical Officer, Garnet Health Doctors

Izabela Nowosielski photo

Izabela Nowosielski, MD, is President & Chief Medical Officer for Garnet Health Doctors and is responsible for the overall quality and operation of the medical group and patient experience. Dr. Nowosielski provides clinical leadership to the physicians that report to her and facilitates the development of strategies related to vision, culture, performance expectations as well as professional development and talent acquisition for the practice. In addition, Dr. Nowosielski is responsible for oversight of NCQA standards at Garnet Health ambulatory practice sites and leads efforts to develop and expand meaningful change around patient safety and quality. As a visionary leader in healthcare, she has achieved success through promoting patient-centered care, strategic collaboration and advancing physician leadership within the organization.

Dr. Nowosielski previously served as Medical Director for Garnet Health Doctors Hospitalist Program as well as Director of Quality and Clinical Effectiveness.

Dr. Nowosielski received her Doctor of Medicine from SUNY Downstate, Brooklyn, NY and is Board-certified in Internal Medicine. She completed her Internal Medicine Residency at Yale New Haven Hospital, in New Haven, CT. She holds a Master’s of Business Administration degree from the University of Massachusetts, Amherst. 

Prior to joining Garnet Health, Dr. Nowosielski was Chief of Hospital Medicine at Englewood Hospital and Medical Center, an associate of Mount Sinai School of Medicine.
 


Nicole Sewell, CMSRN, CCRN, NE-BC
Chief Nursing Officer and Vice President of Patient Care Services, Garnet Health Medical Center

Nicole Sewell, CMSRN, CCRN, NE-BC is Chief Nursing Officer and Vice President of Patient Care Services for Garnet Health Medical Center. She is responsible for all nursing clinical operations.

Ms. Sewell started her career at Arden Hill Hospital in 1990 as a registered nurse and has more than 30 years combined experience caring for patients in many areas such as Medical-Surgical, Oncology, Progressive Care and Critical Care.

Throughout her tenure with the organization, Ms. Sewell has held several nursing leadership positions and has been instrumental in several projects, most notably establishing the Medical Emergency Response Team (MERT) in collaboration with Nursing Professional Development, frontline staff and the ICU medical leadership team. She has served as Secretary and Chair of the Nursing Leadership Advisory Council, Chair of the Garnet Health Community Committee and has led projects such as Nurse Leader Mentorship and Food Insecurity and assisted in the implementation of the Garnet Health Medical Center Nursing Assistant Program in 2021. She is also an adjunct Nursing Instructor for Orange County Community College and is currently enrolled in a Doctor of Nursing Practice program.

Ms. Sewell also served as a member of the team that managed the Garnet Health COVID-19 Vaccine Clinic program. Ms. Sewell holds a Master's Degree in Nursing Administration and earned certifications in Med-Surg (CMSRN), Critical Care (CCRN) and Nurse Executive (NE-BC).


David Smith
Chief Strategic Planning Officer, Garnet Health

David Smith

Mr. Smith leads the development and updating of the System’s Strategic Plan, annual Implementation Plan and community health plans as well as outreach, marketing and public relations strategies, business development, product/service line growth and development, and government/regulatory affairs. He also works closely with the Garnet Health Doctors leadership to enhance growth strategies.

Mr. Smith has over 40 years of healthcare experience in hospitals and healthcare systems. He previously served as Garnet Health's Vice President, Marketing & Strategic Planning. Prior to joining Garnet Health, Mr. Smith was Senior Vice President, Chief Strategy and Network Development Officer at Stamford Health in Stamford, CT. At Stamford Health he led the development of the System’s Strategic Plan, annual Strategic Action Plan, Facility Master Plan, Medical Staff Development Plan, and implementation of a multi-site ambulatory network, joint ventures, heart, cancer and orthopedic affiliations, new replacement hospital campus, medical office building, and employed medical group.

Mr. Smith also previously served as Senior Vice President, System Development and Executive Vice President, Suburban Health Enterprises at Suburban Hospital Health Care System in Bethesda, Maryland, Senior Vice President Planning and Marketing at Franklin Square Hospital Center, Baltimore Maryland, and Director of Regulatory Affairs at Alta Bates Health System, Berkeley, California.

Mr. Smith has a Bachelor of Arts Degree from the Pennsylvania State University and a Master of Science in Public Health Degree from the University of Missouri. He is a Fellow in the American College of Healthcare Executives, a member of the Society for Healthcare Strategy and Market Development, and has held numerous Board leadership positions in local community agencies.
 


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Garnet Health is a New York State, not-for-profit corporation headquartered in Middletown, New York, approximately 60 miles north of New York City.

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