Brian Bwire Wanyama was born on 3^rd January 2003 at Pumwani, Nairobi County. He was raised in Huruma ,schooled at Ndururo Primary and later Mogra Academy for his high school education. As a young kid raised in a busy estate, Wanyama managed to turn up for various teams as he nurtured his talent. Some of the teams he has played for are : Corinthians, Gunners Asec and Cranes in Huruma. He later moved to Umoja where he played for Qatar Youth and Umoja Rhinos. From Umoja Rhinos, he later moved to AFC Leopards youth team under the tutelage of Ezekiel Akwana ,Bonface Ambani and Martin Agande. He featured in the KPL U-20 tournament in which the youth team lost in the finals.

With life’s ups and down he left AFC Leopards youth team for Umoja’s Sunrise FC . He was later recalled to the AFC Leopards Youth team and earned his promotion to the senior team, later made his debut under Belgian Patrick Aussems. He made his debut on 1^st July 2021 in an FKF PL match against Kariobangi Sharks.

He has managed to win some accolades in his football journey : Ligi Ndogo Tournament winner with ASEC Huruma, MYSA Championship winners with Huruma Gunners, FKF County Winners with AFC Leopards Youth team. With his promotion to the senior team, he featured in the team that finished runners up in the FKF Cup 2021.

In 2022/23 season , Wanyama was the only player to feature in all AFC Leopards matches .