Executive Leadership

Jason S. Fish, MD, MSHS, MS-MAS

Chief Executive Officer

Education

BA: Whittier College
MD: Weill Cornell Medical College
Intern/Resident: Internal Medicine, University of California-Los Angeles – UCLA
MS – Health Sciences Research: UCLA School of Public Health
MS – Healthcare Management and Administrative Sciences: University of Texas Southwestern

Professional Affiliations/Certifications

Robert Wood Johnson Clinical Scholars Program

At Yale Health Since 2023

Jennifer W. McCarthy, MD

Chief Medical Officer

Education

BA: Columbia College
MD: State University of New York Downstate Medical Center College of Medicine
Intern/Resident: Internal Medicine, New York Presbyterian Hospital

Professional Affiliations/Certifications

Diplomate, American Board of Internal Medicine

At Yale Health Since 2019

Rhonda Bagby, CPA, MBA, MS

Head of Finance and Business Strategy

Education

BBA: Accounting, Delta State University, 1990
MBA: Delta State University, 1991
MS: University of Florida College of Health and Human Performance, 2017

At Yale Health Since 2024

Alison Tray, DNP, APRN-BC, NEA-BC

Chief Clinical Operations Officer

Education

BA: Macalester College, 2009
MSN: Yale University, 2014
DNP: Quinnipiac University, 2025

At Yale Health Since 2025