[2] Muki, born and raised in Riruta in the periphery of Nairobi, was inspired to take up football by his elder sibling Francis Thairu.
He started off his football at Dagoretti Santos then Kenyatta National Hospital in the Kenyan second tier before joining World Hope F.C.
In 2009 he was signed by Sofapaka by opted to return to City Stars for regular football as he felt he 'was not mature enough' to compete with the more seasoned players at the promoted side.
[4] During his time at Batoto ba Mungu - as Sofa are fondly known - Muki also won the best midfielder award during the 2013 GOtv Shield edition.
He called time on his career on Sun 25 June 2023 in the final game of the 2022-23 FKF Premier League against Gor Mahia F.C.