Assesses and analyzes dietary practices, body composition, and energy balance (intake and expenditure). Counsels optimal nutrition for exercise training (match nutrition to training phases and goals), competition, recovery from exercise, weight management, hydration, immunity, disordered eating, travel, and supplementation. Educates and mentors dietetic interns and others as appropriate. Educates in food selection (grocery store tours, food storage) and food preparation (cooking classes). Counsels on optimal nutrition for recovery from illness or injury.