Lori Greiner, from ABC's Shark Tank, and the inventors of Simply Fit Board Commission Personal Fitness Instructor, Rosalie Brown, ...
NEW YORK, NY--(Marketwired - Dec 28, 2016) - Lori Greiner, from ABC's Shark Tank, and the inventors of Simply Fit Board commissioned seasoned personal fitness instructor Rosalie Brown to develop the Simply Fit 21-Day Challenge. The challenge, designed …