Joe Zemaitis is a 39-year-old American open water swimmer and coach from Scottsdale, Arizona who achieved the Triple Crown of Open Water Swimming on 22 August 2017, was the first person in history to complete the Triple Crown of Stage Swims , and has swum five Oceans Seven channels. He is the brother of fellow marathon swimmer John Zemaitis . He founded the Foundation for Aquatic Safety and Training and the swim club Swim Neptune in the state of Arizona.