Prior to Stanford
- Competes for De Anza Force SC (2023-26)
- Helped De Anza reach the Round of 16 in the MLS Next Cup Playoffs, where he led the U17 club with 18 goals and eight assists
- Played his freshman season of high school at Sacred Heart Prep, reaching the CIF Central Coast Section semifinals
Personal
- Son of Leslie and Markus Zirn
- Has one older sister, Kellyn
- Plans to major in Symbolic Systems
- 2026 graduate of Sacred Heart Preparatory