Kelly Slater

Kelly Slater Kelly Slater is the most successful competitive surfer in history, having won a record 11 World Surf League Championship Tour titles between 1992 and 2011. He won his first title at age 20, making him the youngest world champion in the sport's history, and his last at age 39, making him the oldest. His dominance over nearly three decades, his aerial innovations, and his commitment to ocean conservation have made him surfing's most iconic figure.