Mary Purdy

Mary Purdy, MS, RDN, is an adjunct professor at Bastyr University and managing director of the Nutrient Density Alliance. She holds a master’s degree in nutrition from Bastyr University and transitioned from 13+ years in clinical practice (using food-as-medicine approaches) to focus on sustainability in food systems and its intersection with climate change. She has taught at Bastyr for eight years and lectured at institutions such as the U.K.’s Future Food Movement. Her work emphasizes regenerative agriculture, soil health, and the links between food systems and planetary health.

• Education: Master’s in Nutrition (Bastyr University)

Her research interests bridge nutrition science, environmental sustainability, and social equity. She advocates for regeneratively grown food as a solution to climate and health crises, emphasizing nutrient density and biodiversity preservation. She authored Serving the Broccoli Gods and The Microbiome Diet Reset, and hosts podcasts like The Nutrition Show to highlight sustainability topics. She consults organizations to build resilient, equitable food systems.

As a thought leader, she collaborates with stakeholders across food, agriculture, and health sectors. Her advisory role at Big Bold Health focuses on educating practitioners and consumers about regenerative food’s dual benefits for human and environmental health.