Career
- Ping All-America first team (2023)
- Ping All-American second team (2022)
- Golfweek All-American honorable mention (2022)
- Pac-12 Golfer of the Year (2023)
- Two-time All-Pac-12 First Team (2022, 2023)
- Two-time Pac-12 Golfer of the Month (September 2022, October 2022)
- Pac-12 Golfer of the Week (Feb. 28, 2023)
- Ping All-Region (2022)
- All-Pac-12 Newcomer Team (2021)
- Scoring average: 70.49
- Rounds: 96
- Total Strokes: 6,767
- Wins: 2 (2022 Fighting Illini Invitational, 2023 Pac-12 Championships)
- Top-10 Finishes: 14
- Top-20 Finishes: 19
- Rounds at Par or Better: 60/96
- Rounds in the 60s: 35/96
- Low round: -9 (2023 NCAA Regional Championships, 63)
- Low tournament: -15 (Two Times)
- Best finish: 1st (Two Times)
As A Junior (2022-23)
- Ping All-America first team
- Pac-12 Golfer of the Year
- All-Pac-12 First Team
- Ben Hogan Award finalist
- Two-time Pac-12 Golfer of the Month (September 2022, October 2022)
- Pac-12 Golfer of the Week (Feb. 28, 2023)
- Scoring average: 69.26
- Rounds: 35
- Total Strokes: 2,424
- Wins: 2 (2022 Fighting Illini Invitational, 2023 Pac-12 Championships)
- Top-10 Finishes: 8
- Top-20 Finishes: 8
- Rounds at Par or Better: 25/35
- Rounds in the 60s: 21/35
- Low round: -9 (2023 NCAA Regional Championships, 63)
- Low tournament: -15 (Two Times)
- Best finish: 1st (Two Times)
- Qualified for 2023 U.S. Open
As A Sophomore (2021-22)
- Ping All-American second team
- Golfweek All-American honorable mention
- Ping All-Region
- All-Pac-12 First Team
- Scoring average: 70.66
- Rounds: 38
- Total Strokes: 2,685
- Top-10 Finishes: 6
- Top-20 Finishes: 8
- Rounds at Par or Better: 25/38
- Rounds in the 60s: 14/38
- Low round: -8 (2022 Amer Ari Invitational 3rd Round, 64)
- Low tournament: -13 (2022 Cabo Collegiate, 200)
- Best finish: 2nd (2022 Cabo Collegiate)
- Tied for 7th at the OFCC/Fighting Illini Invitational (71-70-69=210, E)
- Tied for 2nd at the Colonial Collegiate Invitational (69-70-66=205, -5)
- Tied for 23rd at the Golf Club of Georgia Collegiate (72-71-70=213, -3)
- Tied for 34th at the Saint Mary's Invitational (70-72-73=215, +2)
- Tied for 15th at the Amer Ari Invitational (71-72-64=207, -9)
- Tied for 16th at the Prestige (72-77-72=221, +8)
- 2nd at the Cabo Collegiate (69-66-65=200, -13)
- Tied for 8th at the Goodwin (68-65-70=203, -7)
- Tied for 67th at the Western Intercollegiate (80-83-67=230, +20)
- Tied for 6th at the Pac-12 Championships (78-67-70-69=284, E)
- Tied for 5th at the NCAA Stockton Regional (71-69-68=208, -8)
- Tied for 32nd at the NCAA Championships (71-72-75-71=289, +9)
- Played in the U.S. Open at The Country Club (June 16-19)
- Finished fourth at the 2022 Traveler's Championship (June 23-26)
- Played for Team USA in the Arnold Palmer Cup (July 1-3)
- Will represent Team USA in World Amateur Team Championship (Aug. 31-Sept. 3)
As A Freshman (2021)
- All-Pac-12 Newcomer Team
- Scoring average: 72.09
- Rounds: 23
- Total Strokes: 1,658
- Top-10 Finishes: 0
- Top-20 Finishes: 3
- Rounds at Par or Better: 10/23
- Rounds in the 60s: 2/23
- Low round: -7 (Pac-12 Championships 4th Round, 65)
- Low tournament: -6 (Pac-12 Championships, 282)
- Best finish: Tied for 13th (Pac-12 Championships)
- Tied for 21st at The Prestige (71-75-70=216, +3)
- Shot a 71 (+1) in a match vs. Santa Clara
- Tied for 74th at The Cabo Collegiate (85-71-77=233, +17)
- Tied for 14th at The Goodwin (67-71-71=209, -1)
- Tied for 48th at The Cowboy Classic (72-74-72=218, +2)
- Tied for 15th at The Western Intercollegiate (71-71-72=214, +4)
- Tied for 13th at the Pac-12 Championships (75-72-70-65=282, -6)
- Tied for 24th at the NCAA Albuquerque Regional (74-70-71=215, -1)
- Won Western Amateur and Massachusetts Amateur
Prior To Stanford
- 2020 graduate of Wellesley High School
- 2020 quarterfinalist at U.S. Amatuer with caddy and fellow classmate Karl Vilips
- One of four amateurs to make cut at 2019 U.S. Open at Pebble Beach ... at 17, was one of two youngest to ever make the cut
- 2019 Junior President's Cup in Melbourne, Australia
- 2018 Junior Ryder Cup Team USA member
- Two-time IMG Golf Player of the Year
- 2019 Wellesley High School golf MVP
Personal
- Son of Thorbjorn and Sandra Chiang Thorbjornsen
- Brother of Victoria Lotus, Michelle Caprise and Teresa Corniche
- Mother was a golfer at Ursuline College