Hi, I'm Karin Jennings, co-owner of xo fitness in De Pere. My husband, Ryan and I began xo fitness in 2007. Our true desire is to help people achieve their individual health and fitness goals...NOT just sell them a health club membership. If you are in your 40’s, 50’s, 60’s or better and starting to realize you are not as fit as you were 10 years ago we can help you get moving, look good & feel great! ... read more.