Dennis Conner is a renowned American yachtsman, widely regarded as one of the most successful and controversial figures in the history of the America's Cup. He is a four-time winner of the prestigious sailing regatta, securing victories in 1980, 1987, and 1988 as skipper, and as a starting helmsman in 1974. Conner is also famously known for being the first American skipper to lose the Cup in 132 years in 1983, only to mount a determined campaign and win it back in 1987. His competitive drive and tactical genius have left an indelible mark on the sport of professional sailing, earning him the nickname 'Mr. America's Cup'.