Period Proof

Everything you need to know about what happens to your body through your monthly cycle, why it matters, and how to work with your hormones to unlock your highest potential.

Stef Williams is a London-based creator and businesswoman that is growing and leading a community of women to help them feel the best they ever have, physically and mentally. Coming from a background of playing international hockey and now a qualified Pilates instructor, Stef draws from her sporting experience to help drive her community forward.

With over 2.2M Instagram followers and an impressive digital presence across YouTube and other platforms. She has also featured on the cover of Women's Fitness, as well as regularly featuring in outlets such as Marie Claire, Women's Health, and Stylist. She also has endometriosis, PCOS, and fibroids and is currently petitioning for every woman over the age of 20 to have a health screening for endometriosis.