Advisor, Toxicology and Human Health Risk Analysis; Consulting Professor, Duke University Medical Center; and a past chair of the Environmental Protection Agency's Clean Air Scientific Advisory Committee
Roger McClellan is an advisor to public and private organizations on air quality issues. He has published extensively and is an internationally recognized authority in the fields of inhalation toxicology, aerosol science and human health risk analysis. He has served in advisory roles to numerous public and private organizations. He is past Chairman of EPA's Clean Air Scientific Advisory Committee and served on panels that have reviewed the National Ambient Air Quality Standards for all of the Criteria Pollutants.