Dr Nanci Guest is a registered dietitian (sports focus), personal trainer and a strength and conditioning coach, and she has been working in private practice for over two decades. She completed two Bachelor of Science degrees and a Master of Science degree at the University of British Columbia, in the areas of agricultural science, dietetics, kinesiology and nutritional sciences. Her doctoral research focused on nutrigenomics and athletic performance, at the University of Toronto, where she also received the 2019 Dr. Michael C. Archer Award for Research Excellence. She continues to do research in this area, as well as her focus on plant-based nutrition, in her post-doctoral fellowship also at the University of Toronto. She has published her research in top journals and given dozens of invited talks in Canada, the USA and Europe. She teaches plant-based nutrition, sports nutrition and nutrigenomics courses at the college level and she is a global consultant to professional and amateur athletes and teams. She served as the head dietitian at the Vancouver 2010 Olympics and Toronto 2015 PanAm games and prepared several athletes for the last four London, Sochi, Rio and Pyeongchang Olympics.