David Geier
David A. Geier | |
|---|---|
| Born | 1980 (age 45–46) |
| Education | University of Maryland, Baltimore County B.A. |
| Father | Mark Geier |
David Geier is an American anti-vaccine activist. He is the son of fellow anti-vaccine activist Mark Geier. In 2025, he was hired by United States Secretary of Health and Human Services Robert F. Kennedy Jr. to search for evidence that federal officials had hidden information that supports the claim that vaccines cause autism.