Prior to Stanford
- Played three seasons at UCLA, appearing in 10 games and making eight starts on the offensive line
- Made his collegiate debut against North Carolina Central (Sept. 16, 2023)
- Saw the bulk of his playing time in 2024, playing in nine games and making all eight of his starts
- First career start came at right tackle in the season opener at Hawai’i (Aug. 31, 2024)
- Moved over to right guard for his first start at that position against LSU (Sept. 21, 2024)
- Helped lead UCLA to a season-high 211 rushing yards and no sacks against Iowa (Nov. 8, 2024)
- Pac-12 Academic Honor Roll (2023)
- Played his final season of high school football at Marin Catholic High School in Kentfield, Calif. for head coach Mai Moayed
- A three-sport athlete, played three seasons of varsity basketball and baseball
- Did not begin playing football until his senior year at Marin Catholic
- Played on the Lithuanian national baseball team for the 2021 European Championship Qualifier, losing in the final to Greece
- CIF Division 4-AA State Champions (2022, football)
- CIF North Coast Section Division III runner-up (2020, basketball)
- CIF NorCal Division I runner-up (2019, basketball)
Personal
- Son of Renata and Lefty Prongos
- Has two brothers, Lukas and Alexander
- Enjoys listening to music, reading, and playing the saxophone
- Plans to major in Mechanical Engineering at Stanford