John Markell, RDN, LDN, CDN, CPT
John understands that despite humans being made of the same “stuff” everyone has unique needs and histories, at Nourish he has the opportunity to support others with personalized evidence-based approaches to leading their healthiest lives while tapping into those experiences.

John Markell, RDN, LDN, CDN, CPT

Medical Reviewer & Nourish Dietitian


John has dedicated more than 15 years to working and learning around the world from studying gastronomy in Paris, France to serving as a content developer, culinary educator, and curriculum designer at Tulane University's Golding Center for Culinary Medicine in New Orleans, LA. His background as a registered dietitian, trained chef, and certified personal trainer enables him to support individuals of all ages with personalized approaches to embracing healthier lifestyles to manage various conditions and needs. By customizing approaches to cooking, nutrition, and movement John has helped hundreds achieve health goals and sustain their accomplishments.


  • Bachelor of Science in Business Administration, The State University of New York at Geneseo (Geneseo, NY) 
  • Bachelor of Science in Culinary Arts, Culinary Nutrition, and Clinical Dietetics, Johnson & Wales University (Providence, RI) 
  • Dietetic Internship, University of New Haven (West Haven, CT)

Professional Accomplishments

  • Developed and tested Tulane School of Medicine’s culinary medicine curriculum for clinicians and higher education
  • Participating in local health education outreach events hosted in exercise facilities, libraries, and community centers throughout the tri-state area
  • Create ingredient, recipe, and cooking guides for food pantries and their beneficiaries


Get started with your nutrition journey today!

Schedule an appointment with one of our registered dietitians