Menu

Leadership & Board

PHI Board of Directors

headshot Andrew

Andrew Pines, MBA

Chair of the Board
Retired Managing Director, Citigroup

headshot Dara

Dara Johnson Treseder, MBA

Board Vice Chair
SVP, Head of Global Marketing & Communications
Peloton

Adaeze Enekwechi

Adaeze Enekwechi, PhD, MPP

Board Secretary/Treasurer
Operating Partner
Welsh, Carson, Anderson & Stowe

headshot of

Sergio Aguilar-Gaxiola, MD, PhD

Director
Center for Reducing Health Disparities

headshot of

Afia Asamoah, JD, MPP

Head of Legal, Google Health

headshot Anthony

Anthony A. Barrueta, JD

Past Board Chair
Senior Vice President of Governmental Relations, Kaiser Foundation Health Plan

headshot of

Paul Kuehnert, DNP, RN`, FAAN

Chief Executive Officer , Public Health Accreditation Board

headshot Nick

Nick Macchione, FACHE, MS, MPH

Agency Director and Deputy Chief Administrative Officer, County of San Diego Health and Human Services Agency

headshot of

Santiago Muñoz

Chief Strategy Officer,
UCLA Health

Radha Muthiah, MBA

Chief Executive Officer
Capital Area Food Bank

Close

Breakthrough Infection Study of Over 600,000 Veterans Shows Declining COVID-19 Vaccine Protection

A new pre-print study of over 600,000 veterans by researchers from PHI and the Veterans Affairs Medical Center finds that overall COVID-19 vaccine protection declined significantly between February and August 2021. Declines were greatest for the Johnson & Johnson vaccine (from 88% in March to 3% in August), followed by PfizerBioNTech (91% to 50%) and Moderna (92% to 64%).

More

Continue to PHI.org