Marcus Harris

Marcus is a U.S. Navy Veteran and lifelong advocate for health, fitness, and wellbeing. With over 15 years in the wellness industry, he began his journey as a personal trainer and pursued his passion for nutrition by becoming a Registered Dietitian. Since then, he has coached and empowered hundreds of individuals to thrive through practical, performance-based nutrition and sustainable lifestyle change.

A seasoned private practitioner for over 7 years, Marcus brings deep expertise in weight management, diabetes care, and sports nutrition. As a professional, drug-free bodybuilder with more than a dozen titles, he knows firsthand the power of discipline, balance, and evidence-based guidance.

Now at Berry Street, Marcus is excited to support people of all backgrounds to look, feel, and live their best—through food, fitness, and focus.

Credentials and Specializations:

B.A. in Nutrition and Dietetics (RDN, LDN)

Certified Diabetes Care and Education Specialist (Level 2)

Certificate in Adult Weight Management

Professional Natural Bodybuilder (10× Champion)

Performance Nutrition Subject Matter Expert