Slim, Sifu

Sifu Slim (Henry Kreuter) is an author, wellness educator/speaker, lifelong amateur athlete, and leading proponent of "intentional physical activity." Sifu has developed easy-to-follow programs to empower everyone to achieve more healthful lifestyles and an instinctive wellness mindset. Inspired by legendary fitness icon Jack LaLanne, Sifu has made it his life's mission to promote "maintenance fitness," which makes physical activity both recreational and joyful, and a routine part of our daily lives. "The typical fitness guy has bulging biceps," he jokes, "I have bulging perseverance and the p...