Mar 26, 2025 · David Geier and his father, Maryland geneticist Dr. Mark Geier, were a pair of researchers known for their poorly designed and retracted studies using government safety data that have long...

Mar 26, 2025 · Now, scientists are sounding the alarm after the Department of Health and Human Services has reportedly picked well-known and highly controversial vaccine skeptic David Geier to lead the new...

Mar 27, 2025 · David Geier, a man without a medical degree who once was disciplined by the Maryland State Board of Physicians for practicing medicine without a license, reportedly will lead a new HHS study to...

Mark Robin Geier (1948 – March 20, 2025) was an American de-licensed physician and controversial professional witness who testified in more than 90 cases regarding allegations of injury or illness caused by vaccines.

Apr 1, 2025 · He’s David A. Geier, a well-known anti-vaccine activist who has reportedly been assigned the job of reviewing the supposed link between vaccination and autism.

Mar 27, 2025 · According to the Washington Post, Geier has touted anti-vaccine beliefs and, along with his father, has published papers, including some that are now retracted, about the “link” between vaccines and autism, which has, once again, been debunked.

In the mid-2000s, riding the wave of concerns about thimerosal, a mercury-containing preservative, Maryland doctor Mark Geier and his son, David, began to promote a theory that a pathological interaction between mercury and testosterone explained many symptoms of autism.

Mar 26, 2025 · The Department of Health and Human Services has hired David Geier to conduct the analysis, according to the officials, who spoke on the condition of anonymity for fear of retaliation.

May 9, 2011 · What made the Geiers’ conclusions pseudoscience is their explanation. Basically, Geier claimed that testosterone binds mercury from vaccines, making it more “toxic” to the brain and also making it harder to get rid of the mercury using chelation therapy.

Mar 27, 2025 · Mark Geier had his medical license suspended after the Maryland State Board of Physicians found that his research 'endangers autistic children.'