Tamara Sorell, PhD, BCES, has over 30 years of experience in the environmental consulting industry focusing on sampling and risk evaluation. She currently serves as the National Risk Assessment and Toxicology Practice Lead for Brown and Caldwell, primarily for Site Remediation and Investigation projects. Tamara has worked across the U.S under many State programs, as well as on CERLCA and RCRA sites. Tamara has been active in professional organizations and currently sits on the Society of Environmental Toxicology and Chemistry Career Development Leadership Committee; and works as a liaison to the Early Career Committee, supporting young professionals. Tamara has been working with ITRC since 2008. She served as a Co-Author and Internet-Based Trainer for both the Sediment Bioavailability and Sediment Remediation teams, and is an Interested Party on the 1,4-dioxane and Soil Background teams. Tamara has a bachelor's degree in Biochemical Sciences from Princeton University, and a Ph.D. in Pharmacology from Columbia University. She is a Board-Certified Environmental Scientist.