Stacy T. Sims

Stacy Teresa Sims (born 1973) is an American exercise physiologist, nutrition scientist, author, and women's health and fitness advocate. A former bike racer and triathlete, she holds positions at Stanford University in the United States and at Auckland University of Technology in New Zealand and writes and speaks on best exercise and fitness practices for women.

Early life and education Born into an American military family, Sims spent much of her childhood in the Netherlands, was in a French immersion elementary school program, and received her high school education in San Francisco.

From 2007 to 2012, Sims was a research associate studying sex differences in physical activity, performance and health at Stanford University, and she has also held a research position at University of Waikato. She has competed in the Ironman Kona and the Maui Xterra World Championships. , she holds a research associate position at Auckland University of Technology. and an adjunct faculty position as an exercise physiologist and nutrition scientist with the Stanford Lifestyle Medicine group, part of the Stanford Prevention Research Center at Stanford Medical School. She formulated a low-carbohydrate rehydration drink for the Garmin-Slipstream cycling team, Secret Drink Mix, which was marketed by team nutritionist Allen Lim, and in 2012 she founded Osmo Nutrition.

Sims writes and is interviewed widely. She became a monthly columnist for Ella Cycling Tips in 2015, , and has published two books on fitness for women: ROAR in 2016 both co-authored with Selene Yeager. Her advice on exercise and nutrition for women is widely quoted.

Personal life Sims is married and has a daughter; she lives in New Zealand.

Books