Karch is currently the Head Coach, USA Men's National Volleyball Team, after coaching the USA Women to 3 Olympic medals (gold, silver and bronze) in the last 3 Olympics. Before he transitioned to coaching, he won 2 Olympic gold medals as in indoor player, and 1 on the beach - the only player ever to win in both disciplines. Those results led to his being named the Men's Player of the 20th Century by the Int'l Volleyball Federation.