Mobi Fehr

Growing up in Japan, Fehr played in the Tokyo Verdy academy. Fehr was on the roster of Major League Soccer club Portland Timbers during the 2013 season, but did not appear in a first-team game. In 2014, he moved to J3 League club SC Sagamihara.

Hoàng Anh Gia Lai

In November 2016, Fehr joined Vietnamese V.League 1 club Hoàng Anh Gia Lai on a one-year deal.

Monterey Bay FC

On February 14, 2022, Monterey Bay FC announced that they had signed Fehr ahead of their inaugural season. Fehr was included in the starting 11 for Monterey Bay's inaugural match, a 4–2 loss to Phoenix Rising FC. Fehr scored his first goal for Monterey Bay on May 21, 2022, the winner in a 2–0 victory over Louisville City FC. Fehr left the club as a free agent following the 2025 season.

Fehr was born in New York City to a Swiss father and Japanese mother. He moved with his family to Tokyo in 2000.