The California Academy of Nutrition and Dietetics is an affiliate of the Academy of Nutrition and Dietetics, the world's largest organization of food and nutrition professionals. The California Academy is a not-for-profit organization of approximately 6,500 Registered Dietitian Nutritionists (RDN), Nutrition Dietetics Technician Registered (NDTR), and students who are committed to improving the health and advancing the profession of dietetics through research, education and advocacy. Vision: Optimize California’s health through food and nutrition Mission: Empower members to be California’s science and evidence-based food and nutrition leaders.