Jimmy Siemers is a  three-time world-record holder and three-time world champion. He set two world records in the jumping event with 233 feet and 236 feet and his best skiing moment came when he set the world overall record.

Jimmy is a four-time U.S. Masters tricks champion, two-time Moomba Masters tricks champion, and two-time U.S. Open overall champion. In 2003 he was named the IWWF’s  Male Water Ski Athlete of the  Year after an incredible run of accomplishments that saw him win gold medals in tricks, jumping, and overall at the U21 Water Ski World  Championships; gold medals in tricks and overall and the silver in jumping at the Elite Water Ski World Championships; gold medals in Open Men tricks, jumping and overall at the Goode Water Ski  National Championships; pro jump titles at the Malibu Open and  MasterCraft Pro; gold medals in tricks, jumping and overall at the  Collegiate All-Stars; and the gold medal in tricks at the  Collegiate Nationals.

He is a former member of the Arizona State water ski team, for which he won the trick event at Collegiate Nationals four times in his four years on the team before graduating in 2006. In addition to his four trick wins, he was an All-American in tricks, jumping, and overall throughout his college career. He also set a collegiate tricks record in his last tournament as a college student.