Born in Nakuru, Kenya, Osano moved to England aged nine when his father joined the British Army. However, he didn't start playing football until the age of 13, as a student at Oak Farm School in Farnborough.
Born in Nakuru, Kenya, Osano relocated to England when his father enlisted in the British Army at a young age. However, it wasn't until he was thirteen that he began playing football as a student at Oak Farm School in Farnborough.