Markus Westerberg is a Swedish Golf Professional. A former European Tour player, he has turned to instruction and runs a successful golf academy geared to development of young talented golfers. He is also the founder of the DeWiz Biofeedback Golf Swing Modifier. He joins On the Mark to explain and demonstrate how DeWiz works. He illustrates data parameters such as: Swing Length, Swing Width, Transition Planes, Hand Speed, Swing Time and Swing Tempo. He shows how each works to improve your swing, gain power and distance and shares data from top pro's like Bryson DeChambeau, Henrik Stenson, Vijay Singh and Annika Sorenstam. He also mentioned the DeWiz Wedge Combines and how they help distance control on scoring shots.