Brooke Siler is a personal trainer, certified Pilates instructor, and co-owner of the successful re:AB studio in New York City. Siler spent over 600 hours under the tutelage of Romana Kryzanowska, a prot?g? of Joseph Pilates, and has since gained her own reputation as a respected teacher in the field. She is the author of The Pilates Body: The Ultimate Guide to Strengthening, Lengthening and Toning Your Body -- Without Machines.