Martin Winkler

Martin Winkler is the president of RopeSport and one of the world's leading experts on the sport of jumping rope. RopeSport is a company well known for its popular jump ropes and award-winning series of instructional exercise DVDs.

Martin Winkler is the president of RopeSport and one of the world's leading experts on the sport of jumping rope. RopeSport is a company well known for its popular jump ropes and award-winning series of instructional exercise DVDs. See less