Hyo-Joo is the rising professional golfer of Korea who became the youngest ever champion in the JLPGA Tour history at the tender age of 16 years and 332 days, winning the 2012 Suntory Ladies Open while she was still an amateur.
The Korean youngster already has a brilliant career. She claimed the 2011 Junior World Golf Championships title in the girls 15-17 division. After that, she won a sensational victory at the 2012 season-opening tournament of the Korean Tour, Lotte Mart Ladies Open as a amateur golfer, overwhelming tough professionals including the 2011 KLPGA Money Leader Ha-Neul Kim.
Continuing to compete on pro tours, she has begun playing primarily on the LPGA tour. Her biggest win to date was at the 2014 Evian Championship major.