Si Woo Kim is a South Korean PGA Tour pro best known for becoming the youngest-ever winner of The Players Championship back in 2017, and in 2026 he’s still grinding out top finishes and career-best major results.
Si Woo Kim’s Biography
| Detail | Information |
| Full Name | Kim Si-woo |
| Nickname | N/A |
| Date of Birth | June 28, 1995, Seoul, South Korea |
| Age | 31 years |
| Nationality | South Korean |
| Height | 5’11” (180 cm) |
| Weight | Around 182-183 lbs (83 kg) |
| Turned Professional | 2012 |
| Current Tour / Team | PGA Tour |
| Career Prize Money / Tournament Earnings | Over $37.5 million in official PGA Tour earnings |
| Achievements / Titles | 4 PGA Tour wins, including 2017 Players Championship (youngest winner ever); Presidents Cup member (2017, 2022, 2024) |
| Sponsors | CJ, Bibigo, Callaway Golf, Brock Group, NetJets, Primo |
| Relationship Status | Married |
| Spouse | Ji Hyun Oh |
| Instagram Profile | @siwookim_official |
Kim has built one of the most consistent careers among South Korean players on the PGA Tour, blending clutch putting with a knack for contending in big events. He’s also settled into family life, splitting time between tournament weeks and raising his young son with wife Ji Hyun Oh.
Early Career
Kim grew up in Seoul and was coached solely by his father, winning the Korean Junior Championship four straight years and representing South Korea’s national junior team. He turned professional in 2012, then broke through in 2015 by winning the Stonebrae Classic on the Web.com Tour (now Korn Ferry Tour), becoming its second-youngest winner ever.
Professional Career
Kim earned his maiden PGA Tour win at the 2016 Wyndham Championship, then stunned the golf world in 2017 by winning The Players Championship at just 21 years old, still the youngest champion in that event’s history.
He added the 2021 American Express Championship and the 2023 Sony Open in Hawaii to his résumé, and has represented the International Team at three Presidents Cups. In 2026, he’s posted several top-10 finishes, including a runner-up at the CJ Cup and a career-best T6 at the Open Championship.
Wife
Si Woo Kim is married to Ji Hyun Oh, a former South Korean professional golfer, and the couple wed in a private ceremony in Seoul in December 2022. They welcomed their first child, a son named Theo, in February 2024, and Theo has since become a familiar face trackside at PGA Tour events including the 2026 Masters. The family currently lives in Dallas, Texas.
Si Woo Kim’s Net Worth Details
As of 2026, Si Woo Kim’s estimated net worth sits around $29 million, built largely on more than $35 million in PGA Tour career earnings. That figure keeps climbing as he adds sponsorship income from brands like Callaway and CJ Group on top of tournament winnings. Given his strong 2026 season, some estimates now put his career PGA Tour earnings above $37 million.
Prize Money
| Tournament | Finish | Prize Money |
| CJ Cup Byron Nelson | 2 | $1,122,700 |
| RBC Heritage | 3 | $1,360,000 |
| Miami Championship | 4 | $826,666 |
| Farmers Insurance Open | 2 | $726,400 |
| WM Phoenix Open | 3 | $439,680 |
| Arnold Palmer Invitational | 13 | $373,200 |
| Texas Open | 10 | $237,650 |
| The American Express | 6 | $322,000 |
| Sony Open in Hawaii | 11 | $220,675 |
| PGA Championship | 35 | $78,805 |
Career Earnings
| Year | PGA Tour Earnings |
| 2016 | $3,086,369 |
| 2017 | $2,681,177 |
| 2018 | $1,952,240 |
| 2019 | $2,141,058 |
| 2020 | $1,067,490 |
| 2021 | $3,149,028 |
| 2022 | $2,074,151 |
| 2023 | $5,616,753 |
| 2024 | $4,106,901 |
| 2025 | $4,074,643 |
| 2026 (season in progress) | $6,639,361+ |
| Career Total | $37.5+ million |
Endorsements
Si Woo Kim’s endorsement portfolio reflects his strong ties to South Korean brands alongside major golf-equipment partners. After signing with Hambric Sports for representation in early 2026, his sponsor list includes CJ Group and its food brand Bibigo, equipment maker Callaway Golf, construction firm Brock Group, private aviation company NetJets, and Primo.
These partnerships combine Korean corporate sponsorship, which is common for the country’s top golfers, with mainstream golf-industry deals tied to his on-course performance.
Major Championship
| Major | Best Finish | Times Made Cut |
| The Masters | T12 (2021) | 7 |
| U.S. Open | T13 (2017) | 5 |
| The Open Championship | T6 (2026) | 3+ |
| PGA Championship | T8 (2025) | 3 |
FAQs
1. Who is Si Woo Kim
Si Woo Kim is a South Korean professional golfer born on June 28, 1995, in Seoul, South Korea. He currently plays on the PGA Tour and resides in Dallas, Texas.
2. When did Si Woo Kim turn pro
Si Woo Kim turned professional in 2012. He became the youngest player ever to graduate from PGA Tour Qualifying School at 17 years old.
3. How many PGA Tour wins does Si Woo Kim have
Si Woo Kim has 4 PGA Tour wins. These include the 2016 Wyndham Championship, 2017 Players Championship, 2021 American Express, and 2023 Sony Open in Hawaii.
4. Did Si Woo Kim win The Players Championship
Yes, Si Woo Kim won the 2017 Players Championship. He beat Louis Oosthuizen and Ian Poulter by three strokes at age 21, becoming the youngest winner in the event’s history.
5. What college did Si Woo Kim attend
Si Woo Kim attended Yonsei University in South Korea. He is listed among the university’s notable alumni in professional golf.
6. Is Si Woo Kim married
Yes, Si Woo Kim is married to Oh Ji-hyun since 2022. The couple has a child named Theo.
7. How tall is Si Woo Kim
Si Woo Kim stands 5 feet 11 inches (1.80 m) tall. He weighs approximately 182 pounds (83 kg).
8. What is Si Woo Kim’s world ranking
Si Woo Kim’s world ranking is 18th as of the Official World Golf Ranking update in June 2026. His highest-ever ranking of 18 was achieved on June 7, 2026.
9. Has Si Woo Kim played in the Presidents Cup
Yes, Si Woo Kim has represented the International team in the Presidents Cup. He played in 2017, 2022, and 2024, winning three of four matches in 2022.
10. What is Si Woo Kim’s best major championship result
Si Woo Kim’s best major finish is a tie for 8th at the 2025 PGA Championship. His other notable major results include a tie for 12th at the 2021 Masters and a tie for 13th at the 2017 U.S. Open.