Chilokoa-Mullen started his career in the youth setup at Leeds United before moving to Liverpool's youth setup. After failing to make the grade he moved back to Leeds United, rising through the under 18 and under 23 sides.[1][2]
In January 2024, Chilokoa-Mullen was sent on loan to Inverness Caledonian Thistle in the Scottish Championship,[3] making his senior debut in a 3–2 away win against Raith Rovers,[4] before making 2 further league appearances & a cup appearance against Hibernian for the side before being recalled after suffering a back injury in March 2024, ruling him out of the remainder of the season.[5]
Dunfermline Athletic
On 3 February 2025 Chilokoa-Mullen joined Scottish club Dunfermline Athletic for the remainder of the 2024-25 season with an option to extend further.[6]
Providing an immediate improvement to the Pars' defence, Chilokoa-Mullen won back to back player of the month awards for February and March 2025.[7]
In June 2025, Chilokoa-Mullen signed a one year extension to remain at Dunfermline for the 2025-26 season.[8]
International career
Chilokoa-Mullen was born in Leeds, England to a Scottish father and British Nigerian mother.[9][10] He is a youth international for Scotland, having played for the Scotland U21s.[11]