Zephen Walker is a defensive back for Oregon State, standing 5'11" and weighing 200 pounds. The native of Lewisville, Texas was a three-star recruit in the 2025 class with a rating of 0.8311. At Lewisville High School under head coach Michael Odle, Walker earned First-Team All-District honors and served as team captain. As a senior, he recorded 52 tackles with three tackles for loss and two pass breakups across 10 games. In his junior season, he totaled 48 tackles, one tackle for loss, one interception, and four pass breakups in 10 contests. Walker appeared in four games during his freshman year at Oregon State and recorded one quarterback hurry.

Oregon State2025 — present