He is Dean of the National School of Tropical Medicine, Professor of Pediatrics and Molecular Virology & Microbiology at Baylor College of Medicine, and Director of the Texas Children’s Center for Vaccine Development. His efforts promote research on, and access to, medicines for hookworm, schistosomiasis, Chagas, Zika, SARS, and other diseases affecting hundreds of millions worldwide. In addition to producing over 400 research articles, he frequently appears on television, radio, and newspaper interviews, and regularly testifies before Congress on public health issues.