Beth Zupec-Kania is a registered dietitian nutritionist, consultant with the Charlie Foundation, and a leading expert in the use of therapeutic ketogenic diets in the treatment of epilepsy and other neurological and psychiatric conditions. She designed KetoDietCalculator, a free resource used by nutritionists and the public, has written educational guides, created a training module to educate nutritionists and psychiatrists, and is a co-author on many scientific papers.