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Leadership & Board

Public Health Institute Senior Management

PHI Board of Directors

headshot Andrew

Andrew Pines, MBA

Chair of the Board
Retired Managing Director, Citigroup

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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

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Sergio Aguilar-Gaxiola, MD, PhD

Director
Center for Reducing Health Disparities

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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

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Paul Kuehnert, DNP, RN`, FAAN

Chief Executive Officer , Public Health Accreditation Board

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Nick Macchione, FACHE, MS, MPH

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

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Santiago Muñoz

Chief Strategy Officer,
UCLA Health

Radha Muthiah, MBA

Chief Executive Officer
Capital Area Food Bank

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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%).

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