2023 Board of Directors

The NAACOS Board of Directors works to advance the vision and values of NAACOS, which focuses on fostering the growth of the ACO model of care. Board members represent a diverse range of ACO interests and help shape NAACOS priorities such as educating ACOs in operational and clinical best practices, advocating on behalf of ACOs with Congress and the executive branch, and educating the public about the value of accountable care. Board members serve three-year terms and a third of the committee is comprised of newly elected members each year. 
Rebecca Adkins
SVP Population Health
Jefferson Health
Indianapolis, IN
 Margarita Ollet
Health Choice Care, LLC
Miami, FL
Travis Broome
SVP of Policy and Economics
Asheville, MD
Arshad Rahim, MD
CMO & SVP, Population Health & Clinically Integrated Network
Mount Sinai Health System
New York, NY
Emily Brower
SVP, Clinical Integration and Physician Services 
Trinity Health
Livonia, MI
Bob Rauner, MD
Chief Medical Officer
OneHealth Nebraska ACO, LLC
Lincoln, NE
Clif Gaus, ScD*
President and CEO 
Washington, DC
Anthony Reed
Wilmington, DE
 Tim Gronniger
Chief, Value-based Solutions
Signify Health
Takoma Park, MD
Rebecca Rohrbach
Chief Population Health Officer
NOMS Healthcare
Sandusky, OH
Melanie Matthews

PSW and MultiCare Connected Care
Olympia, WA
Nina Taggart, MD
Medical Director
Lehigh Valley Health Network ACO
Allentown, PA
 Jen Moore
MaineHealth ACO
Portland, ME
Anthony Valdés
President, Collaborative Health Systems
Tampa, FL
Geoffrey Nicholson, Jr., MD
SVP, Population Health
WellSpan Health
York, PA
Debbie Welle-Powell
Past Chair and Ex Officio*
Former Chief Population Health Officer
Essentia Health
Duluth, MN
 Stephen Nuckolls

Coastal Carolina Quality Care and Coastal Carolina Health Care
                         New Bern, NC

Karen Wilding
Chief Value Officer
Wilmington, DE

 *Designates Corporate Officer and/or NAACOS Board Executive Committee