Medical Toxicology in Industry Webinar: Considerations for PFAS Diagnostic Testing

Dr. John W. Downs, MD, MPH, is a medical toxicology faculty member at Virginia Commonwealth University (VCU) and a retired U.S. Army officer with over 20 years of distinguished service. A graduate of the Virginia Military Institute and the Uniformed Services University (USU), he completed residencies in internal medicine and occupational & environmental medicine, as well as a fellowship in medical toxicology at VCU. Dr. Downs has extensive military medical experience, including multiple deployments as a senior medical officer for special operations and infantry units in Iraq and Afghanistan, and leadership roles such as Chief of Preventive Medicine at Fort Campbell and Chief of Occupational & Environmental Medicine at Walter Reed during the COVID-19 pandemic. Board certified in internal medicine, occupational & environmental medicine, and medical toxicology, he also holds certifications as a Certified Public Health professional (CPH) and Diplomate of the American Board of Toxicology (DABT). A Fellow of the American College of Physicians and the American College of Occupational and Environmental Medicine, Dr. Downs has authored over 25 peer-reviewed publications and is a recipient of the Army Surgeon General’s 9A Proficiency Designation.

S. Eliza Lockwood, MD, FACMT is an emergency medicine physician and medical toxicologist with a strong commitment to global health. After completing her Medical Toxicology fellowship at NYU in 2006, she returned to Washington University in St. Louis, where she established an ACGME-accredited fellowship in Medical Toxicology. Over the next decade, Dr. Lockwood became deeply engaged in global health and humanitarian efforts. She organized a relief mission to Haiti following the 2010 earthquake, founded the Global Health Scholar Track within the Washington University Division of Emergency Medicine, and serves as one of the Global Health Scholars for the Department of Internal Medicine. Recognizing the need for sustainable solutions in global health, particularly around malnutrition and insect-borne diseases—two prevalent public health issues in developing countries—Dr. Lockwood began working as the Medical Affairs Lead for Bayer. In this role, she focuses on leveraging innovative agricultural and chemical technologies to address these critical challenges. Dr. Lockwood has lectured extensively, both nationally and internationally, on a wide array of topics in medical toxicology and global health.