Jill Castle, MS, RDN is a registered dietitian and one of the nation’s premier childhood nutrition experts. She earned a B.S. in Nutrition from Indiana University, M.S. in Pediatric Nutrition, and completed a dietetic internship with MGH Institute of Health Professions. With over 30 years of experience, Jill is a sought-after speaker and media contributor and serves on the Board of Advisors for Parents Magazine. She is the creator of TheNourishedChild.com, a parent nutrition education website, and is the author of several books, including The Smart Mom's Guide series, and Eat Like a Champion, and has her own podcast.

Mary Purdy, MS, RDN is an integrative eco-dietitian and nutrition educator with a Master's Degree from Bastyr University, where she is currently adjunct faculty. She has been in clinical practice for over 12 years using a personalized medicine and functional nutrition approach. In addition to being the host of The Good Clean Nutrition Podcast, she had her own podcast, The Nutrition Show, with 100+ episodes, and has authored two books, Serving the Broccoli Gods and The Microbiome Diet Reset. Mary also teaches for other universities and educational platforms, is a nutrition and sustainability adviser for Big Bold Health, and is a sought-after speaker, consultant and community builder working with organizations to create a more sustainable, just and resilient food system. Learn more about Mary at www.marypurdy.co.