Danny Lee turned professional after playing in the 2009 Masters. As an amateur in February of 2009, Danny won the Johnnie Walker Classic in Australia, becoming the youngest player ever to win a PGA European Tour sanctioned event. Danny uses an Odyssey putter. In 2011, he earned his first career Nationwide Tour win at the WNB Golf Classic and finished sixth on the Nationwide Tour money list to secure a PGA Tour card for 2012.
In 2008, he won the U.S. Amateur Championship at Pinehurst, becoming the youngest player to win the event and earning a spot in that '09 Masters. He was also the first Korean-born player to win the U.S. Amateur. One week before that victory he competed in the PGA Tour’s Wyndham Championship in North Carolina and finished tied for 20th. Danny was born in Korea and moved to New Zealand with his family at the age of 12. He is the oldest of three boys. His mother, So Jin Seo, used to teach golf and was a 5 handicap at one point.