Karin and Rick Dina are chiropractic doctors who have been studying and practicing raw food nutrition for over 25 years. Karin studied naturopathic medicine at Bastyr University, graduated from Palmer College of Chiropractic West, and has an honors degree in biology. Rick worked at Hippocrates Health Institute, graduated from Life Chiropractic College, and practiced at True North Health Center in Santa Rosa, California.

The Dinas are co-developers and instructors of the series of Science of Raw Food Nutrition classes taught at Living Light Culinary Institute in Ft. Bragg, California. They have an international consulting and lab work analysis practice and are dedicated to teaching a functional and scientifically sound approach to raw, plant-based diets.