Danna Demetre is a Registered Nurse, an author, speaker and co-founder of Lean Healthy Ageless. Robyn Thomson, an advanced clinical weight loss practitioner and co-founder of Lean Healthy Ageless, has worked with cutting-edge nutritional companies and received training from some of the top doctors and scientists in the industry.

Together they have written a book called Eat, Live, Thrive Diet: A Lifestyle Plan to Rev Up Your Midlife Metabolism.