Dr. Clemens is co-founder and executive vice president of PolyScience Consulting, and chief scientist for Daedalus Humanitarian. He is part-time faculty within the USC Regulatory Science program where he enjoys an adjunct appointment as Professor of Pharmacology and Pharmaceutical Sciences within the USC School of Pharmacy. He served as Scientific Advisor for Nestlé USA for more than 21 years and then consultant to and Chief Scientific Officer for Horn for about a decade. Dr. Clemens has published more than 50 original manuscripts in nutrition and food science, participated in more than 300 invited domestic and international lectures, and served as an expert panel member for the food industry, scientific organizations, trade associations and regulatory agencies in the United States, Canada and Europe.
Dr. Clemens is a past president of the Institute of Food Technologists (IFT) and former member of the IFT Board of Directors. He served on numerous IFT expert panels, including Functional Foods, and Making Decisions about the Risks of Chemicals in Foods with Limited Scientific Information. He cofounded, established and contributes to a Food, Medicine and Health column published monthly in Food Technology since 2004. Dr. Clemens continues to serve as a spokesperson on food, nutrition and health issues for the American Society for Nutrition (ASN). He chaired the Public Information Committee, served as a member of ASN’s Finance Committee, ASN’s Medical Nutrition Council, and ASN’s Membership Committee. Dr. Clemens was a member of the USDA 2010 Dietary Guidelines Advisory Committee, and is a third-term member of the US Pharmacopeia Food Ingredient Expert Committee. Dr. Clemens received an AB in Bacteriology, a MPH in Nutrition, and a DrPH in Public Health Nutrition and Biological Chemistry from the University of California, Los Angeles.