Dr. Edward J. Perkins, a Senior Research Scientist for the U.S. Army Engineer Research and Development Center in Vicksburg, Miss. is focused on Environmental Networks and Genetic Toxicology. He leads an active and diverse group of scientists using genetics and emerging technologies to investigate chemical effects on to aquatic, avian and terrestrial species; fundamental aspects of biological networks; computational biology; and the development of new approaches in environmental toxicology. Dr. Perkins also advises national and international organizations on Adverse Outcome Pathways and screening chemicals for toxicity.