Dr. Ellen Mihaich is the owner and principal scientist of Environmental and Regulatory Resources, an environmental consulting firm in Durham, NC. Prior to ER2, she was an ecotoxicologist with Rhone-Poulenc and then Rhodia. Among endocrine-related activities, she is a BIAC representative to the OECD Eco-Validation Management Group for endocrine testing and the scientific coordinator of the Endocrine Policy Forum. She received a BA from Wellesley College and MS and PhD degrees in environmental toxicology from Duke University, where she holds an adjunct appointment and teaches a graduate course in risk assessment. She is a past-president of the Society of Environmental Toxicology and Chemistry, a current SETAC Fellow, and a diplomate of the American Board of Toxicology.