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We believe in the power of truth.

Our Mission

The McCullough™ Foundation exists for one reason:
When fear is weaponized against the people, truth is the only defense.

McCullough Foundation is dedicated to the proposition that a government of the people, by the people, for the people, can only exist if the people are educated about health, disease, and public health policies.

The Foundation works to safeguard public health and liberty by performing independent investigations,
producing educational content, advocating for justice, and shaping sound public health policies.

Every dollar goes straight to this mission.

Recent Media

John Leake joins Tucker Carlson for a powerful discussion on his explosive new book, Vaccines: Mythology, Ideology, and Reality. They expose how vaccine ideology has become a dangerous new religion.

All 12 vaccinated vs. unvaccinated studies show the same result: unvaccinated children are dramatically healthier.
Epidemiologist Nicolas Hulscher explains the data on The HighWire.

A Stanford analysis identified elevated cardiac biomarkers in vaccinated individuals — findings consistent with subclinical myocarditis. The data suggest heart involvement may occur without immediate symptoms, prompting calls for long-term surveillance and independent review.

FOCUS:

COVID-19 Vaccine-Induced Myocarditis

McCullough Foundation President, Dr. Peter McCullough, has consistently warned about the risk of vaccine-induced myocarditis—especially in young males—since 2021.

On May 21, 2025, he testified before the U.S. Senate about how U.S. government agencies have consistently downplayed this risk, with devastating consequences for thousands of young people.

His testimony was based on his extensive investigative scholarship and his examination of many patients in his clinical practice.

Researching this public health disaster and warning policymakers about it is an ongoing focus of the McCullough Foundation.

Every dollar goes straight to this mission.

Voices of Truth and Courage

Justice for the Injured

After 42 doctor visits in one year, Brian was told the only solution was antidepressants. No answers. Just SSRIs.

When conventional medicine gave up on him, the McCullough Foundation stepped in
with real diagnostics,real treatment protocols, and real hope.

Today Brian is finally getting better, because of donors like you.

Fund the fight Coming Soon

Our Four Pillars

Investigative Scholarship

Producing rigorous research and publishing peer-reviewed scientific reports, including more than 20 scientific studies on COVID-19 vaccine injuries and early treatments, as well as our new landmark report, Determinants of Autism Spectrum Disorder.

Education

Delivering uncensored medical and scientific knowledge through original documentaries, large-scale social media campaigns, expert media appearances, podcasts, and live events.





Justice

Providing pro bono legal defense and expert witness support to silenced physicians and ethical professionals in landmark medical freedom cases.




Ethical Policy

Shaping legislation and global health policy through Congressional testimony, international hearings, and briefings grounded in scientific integrity.




Landmark Autism Report

The McCullough Foundation’s latest report draws on over 300 peer-reviewed studies to examine the multifactorial causes of autism. Explore the science, see the data, and read the full analysis now.
Multifactorial Determinants

Multifactorial Determinants

The converging genetic, environmental, and immunologic determinants implicated in autism
spectrum disorder (ASD). Routine childhood
vaccination represents the most extensive and recurrent immune and inflammatory exposure
during early neurodevelopment, capable of amplifying underlying susceptibilities.

Autism Prevalence in Children

Autism Prevalence in Children

Autism prevalence estimates show
a dramatic rise over the past five decades, from approximately 1 in 10,000 children in 1970
(derived from early epidemiologic studies)14 to 1 in 31 children in 2025 (CDC Autism and
Developmental Disabilities Monitoring [ADDM] Network)15.

Autism Prevalence and Vaccine Doses

Autism Prevalence and Vaccine Doses

The number of vaccine doses recommended for U.S. children by age two (green triangles) is plotted alongside autism prevalence estimates per 10,000 children (blue squares), derived from both early epidemiologic studies (pre-2000) and CDC ADDM Network reports (2000 onward).

Our Team

John Leake, MA

Vice President

John Leake is a nonfiction author with a lifelong interest in medical history. Since 2021, he has worked with Dr. Peter McCullough,™ and was the primary author of their bestselling book The Courage to Face COVID-19:  Preventing Hospitalization and Death While Battling the Bio-Pharmaceutical Complex. as the widely read New York Times bestseller, Vaccines: Mythology, Ideology, and Reality.


John studied history and philosophy with Roger Scruton and lived in Vienna, Austria for fourteen years, working as a freelance author and translator. For his work as a true crime author, he has intensively studied the history and practice of forensic science.

About Us

Peter A. McCullough, MD, MPH™

President

Dr. McCullough is an internist, cardiologist,
epidemiologist holding degrees from Baylor University, University of Texas Southwestern Medical School, University of Michigan, and Southern Methodist
University. 

Dr. McCullough has broadly published on a range of topics in medicine with > 1000 publications and > 700 citations in the National Library of Medicine.  Dr. McCullough is a well-known public figure in medicine and is a frequent contributor on numerous mainstream and independent media platforms.  He has testified multiple times in the US Senate, US House of Representatives, European Parliament, and many state capitals concerning public health
policy.  

About Us

Nicolas Hulscher, MPH

Administrator and Epidemiologist

Nicolas Hulscher is an epidemiologist and administrator at the McCullough Foundation.

Since 2023, he has contributed to 16 peer-reviewed scientific studies—including systematic reviews, original investigations, and case reports—significantly advancing the understanding of COVID-19 vaccine injury syndromes and their potential treatments, as well as exploring the possible laboratory origins of the H5N1 bird flu.

About Us

Watch Below

The McCullough Foundation Refuses to Be Silenced

Featured Videos

John Leake joins Tucker Carlson for a powerful discussion on his explosive new book, Vaccines: Mythology, Ideology, and Reality. They expose how vaccine ideology has become a dangerous new religion.

Russell Brand and Dr. Peter McCullough™ discuss the vaccine ideology.

Steve Kepin spent nearly 30 years in the medical and pharmaceutical world and did everything he was told — get vaccinated, show proof, protect others. But after his shots, he says his health collapsed

The Highwire hosted by Del Bigtree had renown author and historian John Leake and Dr Peter McCullough™ in studio to discuss their new book Vaccines: Mythology, Ideology, and Reality.

Dr. Peter McCullough™ and epidemiologist Nicolas Hulscher join Rebecca Weiss to expose the untold history, ideology, and corruption behind the global vaccine narrative — from Cotton Mather and Louis Pasteur to Fauci and the modern mRNA era.

Dr. Peter McCullough™’s Senate Testimony Exposes the Full Scope of COVID-19 Vaccine Heart Damage and Death


Bird Flu: Separating Fact from Fiction and True Danger from
Fear-mongering

Dr. Peter McCullough™ Sounds The Alarm - A New Threat On The Horizon!

The McCullough Foundation: Our Mission