Jeff Rothschild, RD, MS, PhDc

Jeff is a Registered Dietitian with a Master’s in Nutrition Science, the creator of the humanOS Fasting Program and our course on endurance training (i.e., polarized training), and a former guest on this podcast discussing the subject of breakfast skipping. Jeff is also currently conducting his PhD research under the guidance of Dr. Dan Plews (Ironman AG-World Champion) at the Sports Performance Research Institute, New Zealand (SPRINZ) in Auckland, New Zealand.

He has worked with an impressive array of athletes – his clients include multiple Olympians, State Champions, collegiate All-Americans, and professional tennis players, as well as recreational athletes and folks who are trying to complete their first triathlon. So he has plenty of expertise in sports performance and nutrition, both from accumulated experience as well as academic study.