Alex was born in Mokomre, Sierra Leone, in July 1999.
He started his career in the Netherlands with DRL before joining Feyenoord at youth level.
He played for the Dutch club from U18 to U21 level before joining SC Cambuur on a permanent basis.
He was a promotion winner with Cambuur and has spent the last two seasons playing regularly in the Dutch top-flight.
He has played the majority of his football at left-back, but has also played on the wing.
Alex is a five-time capped international for Sierra Leone.