Kohler is a youth product of the
San Jose Earthquakes academy, and began his senior career with their
reserves in the
MLS Next Pro in 2022. In July 2022, he committed to
Stanford University for Division 1 soccer after achieving a 4.0 GPA. On January 26, 2023, he joined
Oakland Roots where he signed his first professional contract. On June 17, he transferred to German club
Werder Bremen where he was originally assigned to their youth sides. On June 24, 2025, Kohler was loaned by
SC Verl in
3. Liga. On December 31, 2025, the
New England Revolution announced the signing of Kohler on a contract until the 2028–29 season, with an option to extend for one more year. ==International career==