About our experts
Rachel Beller, MS, RDN
CEO Beller Nutrition
Dietitian Nutritionist Rachel Beller MS, RDN is the CEO of Beller Nutrition, creator of the Beller Method™ Masterclass and the Beller Nutrition line of spice blends. She specializes in weight management and cancer risk reduction, is a three-time best-selling author, media expert and spokesperson for the American Cancer Society.Rachel Beller, MS, RDN
Olga Naidenko, PhD
Vice-President of Science Investigations, Environmental Working Group
Olga Naidenko, PhD, is the vice-president of science investigations for the Environmental Working Group (EWG). She leads EWG’s research efforts on children’s environmental health. In her doctoral studies, she focused on the molecular basis of immune defense. Naidenko formerly held a prestigious American Association for the Advancement of Science policy fellowship, during which she worked at the Environmental Protection Agency, focusing on climate change and water quality standards.
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