Casey Thaler, B.A., NASM-CPT, FNS is an NASM certified personal trainer and NASM certified fitness nutrition specialist. He writes for Paleo Magazine, Dr. Loren Cordain, PaleoHacks and Greatist. He also runs his own nutrition and fitness consulting company, Eat Clean, Train Clean. He is pursuing his Ph.D in Nutritional Biochemistry.

Casey is deeply interested in the science of the human body, right down to the molecular level. Specifically, his curiosity is piqued by how we react to food, and other substances. With a diverse knowledge base, covering human anatomy, functional movement, as well as neuroscience and biochemistry, there are few nutrition or fitness questions he cannot answer - usually in great detail. Having personally trained and conducted nutrition consulting for over a hundred clients, he is comfortable addressing any and all concerns.