Leadership Bios

President and Chief Executive Officer

Philip J. Wilner, M.D., M.B.A., is Senior Vice President & Chief Operating Officer for NewYork-Presbyterian Westchester Behavioral Health Center, where he oversees behavioral health services across all NewYork-Presbyterian campuses. He also serves as the President and Chief Executive Officer of Gracie Square Hospital, a 140-bed provider of comprehensive and personalized mental health services located on Manhattan’s Upper East Side. In these dual roles, Dr. Wilner’s work involves strengthening Gracie Square Hospital’s connection to NYP’s robust and progressive behavioral services line.

Dr. Wilner is also Executive Vice Chair of the Department of Psychiatry and Professor of Clinical Psychiatry at Weill Cornell Medicine. Dr. Wilner joined the former New York Hospital-Cornell Medical Center as a House Officer in 1983 and was the recipient of a Readers Digest Research Fellowship in 1988, conducting studies in the biological bases of psychiatric illness. Dr. Wilner obtained his undergraduate degree summa cum laude from Columbia College, his medical degree from the College of Physicians and Surgeons at Columbia University, and his Master of Business Administration in Healthcare Administration and Policy from Zicklin Business School at Baruch College. He is a Fellow of the American Psychiatric Association and member of the New York Academy of Medicine and the New York Psychiatric Society.

Vice President of Behavioral Health Nursing and Patient Care Services and Chief Nursing Officer of Behavioral Health

Michael Radosta, MA, MS, BSN, BS, RN, NEA-BC, FACHE, is Vice President of Behavioral Health Nursing & Patient Care Services and Chief Nursing Officer of Behavioral Health for NewYork-Presbyterian. In this role, he provides leadership and oversight for the Departments of Nursing and Patient Care Services. Mr. Radosta has assumed positions of increasing responsibility since joining NYP in 2005, most recently serving as Chief Nursing and Quality Officer at Gracie Square Hospital. Mr. Radosta holds a Bachelor of Arts in Psychology from Fordham University, and a Bachelor of Science in Nursing from The College of New Rochelle. Additionally, he earned a Master of Arts in General Applied Psychology from Iona College, and a Master of Science in Health Care Management from New York University’s Wagner program.  Mr. Radosta is board certified by the American Nurses Credentialing Center as an Advanced Nurse Executive, and is a Fellow of the American College of Healthcare Executives. Mr. Radosta is a graduate of The Academy GE Fellows Program for Nurse Executives.

Executive Director and Chief Nursing Officer

Timothy P. McGarvey, MSN, LMSW, RN, NEA-BC, Executive Director and Chief Nursing Officer of Gracie Square Hospital, is responsible for the short and long-term planning, leadership, direction, and overall accountability for Gracie Square Hospital’s operational and administrative functions. Prior to joining Gracie Square Hospital, Mr. McGarvey spent 18 years in various leadership roles including Director of Nursing Operations at NewYork-Presbyterian Westchester Behavioral Health Center and Director of Nursing and Quality at NewYork-Presbyterian Payne Whitney Manhattan. Most recently, Mr. McGarvey was the Director of Care Coordination and Social Work at NewYork-Presbyterian Weill Cornell Medical Center.

Mr. McGarvey holds a Bachelor of Science in Psychology from Iona College, a Master of Social Work from Fordham University and a Master in Nursing from Phoenix University. He is board-certified by the American Nurses Credentialing Center as an Advanced Nurse Executive.

Service Chief

Dr. Smita Agarkar serves as the Service Chief at Gracie Square Hospital. In this role, she oversees all physicians and leads strategic initiatives. Dr. Agarkar works closely with hospital administration to develop and implement medical services that prioritize quality, safety, and patient experience. She collaborates with Weill Cornell faculty and Nurse Practitioners to promote professional development and oversee educational activities. Additionally, Dr. Agarkar serves as the Departmental Physician lead for Quality and is a Clinical Associate Professor of Psychiatry at Weill Cornell Medicine. She is also an Adjunct Clinical Assistant Professor of Psychiatry at Columbia University Vagelos School of Physicians and Surgeons.

Dr. Agarkar previously worked at Weill Cornell Medicine as a full-time faculty member before joining Gracie Square Hospital. She has over 10 years of experience and worked in different roles, providing outpatient and inpatient services while also training residents and students at NewYork-Presbyterian Westchester Behavioral Health Center. Dr. Agarkar's research interests include neuromodulation and ECT.

Dr. Agarkar obtained her medical degree from Baroda Medical College. Dr. Agarkar is a Certified Physician Executive and a Fellow in Leadership with the American Association of Physician Leadership. She is also associated with the American Society of Psychopharmacology, American Psychiatric Association, and the American Association of Psychiatric Administration and Leadership.