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Explore Our Work

Explore all PHI programs

20+ Countries where PHI programs are making a difference

More than 1100 staff building health and community power around the world

How We Work

The Public Health Institute is home to 100+ programs working around the globe. PHI strengthens the work of its programs and builds community power as a fiscal sponsor, a thought leader and a partner. PHI programs work and collaborate across some of the most pressing issues in public health, and are led by experts who leverage their extensive skills in research, evaluation, technology and program management to dive deeper into important work and pivot quickly to new areas that benefit from their expertise. Explore the work of our programs.

We Focus on Key Areas in Public Health

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Strategic Initiatives

PHI's board, senior management and program leaders work together to identify strategic initiatives: urgent or emerging health issues that need attention, resources and expertise.

Our Impact

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  • 45M SNAP-Ed eligible Americans had SNAP benefits protected through PHI federal advocacy efforts
  • 13.5M+ CA residents in communities that limit the number of marijuana retail outlets, thanks to policy recommendations from PHI's Getting it Right from the Start
  • 10x more pollution episodes identified by community-installed air monitors through our Tracking California

Work With Us

You change the world. We do the rest. Explore fiscal sponsorship at PHI.

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Together, we can accelerate our response to public health’s most critical issues.


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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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