Markus Kaiser

In October 2019, Kaiser committed to attend the University of British Columbia and play for their men's soccer team beginning in the fall of 2020. On November 19, 2021, he scored his first goal in the national championship consolation semifinal against the Laval Rouge et Or. In 2021 and 2022, he was named an Academic All-Canadian. In November 2023, he was named a Canada West Player of the Week and at the end of the season was named a Second Team All-Star.

At the 2022 CPL-U Sports Draft, Kaiser was selected in the second round (14th overall) by Cavalry FC. In May 2022, he signed a U Sports developmental contract with the club, allowing him to maintain his university eligibility. In August, he departed the club to return to UBC, per the terms of his developmental contract. Kaiser played for League1 Alberta club Calgary Foothills in the 2023 League1 Alberta Exhibition Series. In 2025, Kaiser played with Calgary Rangers SC in League1 Alberta.

In March 2017, he made his debut in the Canadian national program attending a Canada U15 team identification camp.

Kaiser began playing soccer at age five with Willow Ridge-Carburn SC. He later joined the Calgary Foothills FC youth program. In 2019, he captained the Foothills U17 team, en route to winning the national championship.