Science Department Staff

Brian S. Hooker, Ph.D., is the Chief Scientific Officer at Children’s Health Defense, an organization committed to the best health for children in the U.S. and worldwide. He is also a Professor Emeritus of Biology at Simpson University in Redding, California, where he specialized in microbiology and biotechnology. Dr. Hooker coauthored, with Robert F. Kennedy…

Heather Ray
Heather Ray joined the Science and Research Department at Children’s Health Defense in January 2022. She is a science and research analyst and also manages the department's administrative duties. Heather contributes to the CHD science department through research, analysis, writing, editing and administrative assistance. She is honored to collaborate with remarkable CHD colleagues, partnering on…

Karl Jablonowski
Dr. Jablonowski earned a Ph.D. in Biomedical and Health Informatics from the University of Washington and was honored with three fellowships from the U.S. Department of Energy, the National Institutes of Health, and Children’s Health Defense. He believes “scientific integrity” has lately become an oxymoron, but it ought to be a redundant phrase. There is…
Senior Science Associates

Tom Yengst
With a bachelor’s degree in physics and a master’s degree in aerospace engineering, Thomas Yengst spent the majority of his career building optical systems (telescopes) for the Earth's remote sensing community, having designed, built, deployed and operated six unique spacecraft. The remote sensing field naturally requires a deep understanding of systems integration and algorithmic data…