American designer, boat builder and champion dinghy sailor. In addition to being co-founder of Siddons & Sindle, he held positions in a number of other boat building firms including Mobjack Manufacturing, Lockley Newport, Goucester Yachts and Robin Hood Marine. In the Flying Dutchman Class he is 6 time US National Champion, Gold Medal winner at the 1959 Pan Am games, and US Olympic representative in 1960. He is a three time National Champion in the Buccaneer class.