Philip Goodrum, PhD, DABT

Dr. Philip Goodrum is a Principal Toxicologist at GSI Environmental with nearly 30 years of experience in quantitative risk assessment and environmental modeling. His expertise spans human health and ecological risk assessment, sediment remediation, groundwater compliance monitoring, and natural resource damage evaluation. A recognized national leader in probabilistic risk assessment and lead exposure modeling, Dr. Goodrum has served as a trusted advisor to government and private sector clients, contributed extensively to peer-reviewed literature, and provided expert testimony in environmental litigation. His work also addresses emerging contaminants such as PFAS and 1,4-dioxane in drinking water. In addition to his consulting practice, Dr. Goodrum teaches Environmental Risk Assessment as a visiting adjunct professor at the SUNY College of Environmental Science and Forestry.

David Ropeik

David Ropeik is retired Harvard Instructor, author, and potter. He taught risk communication at the Harvard School of Public Health and “Critical Thinking About Environmental Issues” in the Harvard School of Continuing Education. He is widely published in both the general and academic press on risk issues and risk perception. He is author of Curing Cancer-phobia How Risk, Fear, and Worry Mislead Us, How Risky Is It, Really? Why Our Fears Don’t Always Match The Facts and lead co-author of Risk!!! A practical guide for deciding what’s really safe and what’s really dangerous in the world around you.

 From 1978-2000 he was a broadcast journalist in Boston, twice winning the DuPont Columbia Award, often referred to as the Pulitzer Prize of broadcast journalism, as well as four Emmy awards. He was a Knight Science Journalism Fellow at MIT, 1994-5. He was a founding member of the Board of Directors of the Society of Environmental Journalists. 

David Ropeik

David Ropeik is retired Harvard Instructor, author, and potter. He taught risk communication at the Harvard School of Public Health and “Critical Thinking About Environmental Issues” in the Harvard School of Continuing Education. He is widely published in both the general and academic press on risk issues and risk perception. He is author of Curing Cancer-phobia How Risk, Fear, and Worry Mislead Us, How Risky Is It, Really? Why Our Fears Don’t Always Match The Facts and lead co-author of Risk!!! A practical guide for deciding what’s really safe and what’s really dangerous in the world around you.

 From 1978-2000 he was a broadcast journalist in Boston, twice winning the DuPont Columbia Award, often referred to as the Pulitzer Prize of broadcast journalism, as well as four Emmy awards. He was a Knight Science Journalism Fellow at MIT, 1994-5. He was a founding member of the Board of Directors of the Society of Environmental Journalists. 

Diana Felton, MD

Dr. Diana Felton is board certified in emergency medicine and medical toxicology. She has recently taken over as Chief of the Hawaii Department of Health’s Communicable Disease and Public Health Nursing Division. Prior to that, she was the State Toxicologist with the Hawaii Department of Health Hazard Evaluation and Emergency Response (HEER) Office.

She worked with many state, federal, and community partners on issues such as childhood lead poisoning prevention, safe fish consumption, air pollution risks, pesticides, and other environmental health hazards. She is a member of the Hawaii Advisory Committee on Drug Abuse and Controlled Substances and EPA’s Children’s Health Protection Advisory Committee.

She is a proud graduate of the University of California, Berkeley, attended medical school at the University of California, Davis, and completed her emergency medicine residency at Beth Israel Deaconess Medical Center in Boston, Massachusetts. Fellowship training was completed at the Harvard Medical Toxicology Fellowship at Boston Children’s Hospital in conjunction with the Massachusetts and Rhode Island Poison Control Center.