Stacy 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.
Source: https://en.wikipedia.org/wiki/Stacy_Sims