Dutch-born Ghanaian defender Jeremie Frimpong has joined Bayer Leverkusen in German Bundesliga on a 4-year deal.
The 20-year old completed the move on Wednesday, signing a four year deal with the club.
He leaves Celtic after just a season and a half, having joined the club from Manchester City for just £300,000.
The right back enjoyed a good spell at Parkhead winning the Scottish title and the Scottish Cup.
Frimpong made 22 appearances for Celtic this season, scored a goal and provided two assists.
He joins fellow Dutch international with Ghanaian heritage Timothy Fosu-Mensah who also moved to the German club in the winter transfer window from Manchester United.
Frimpong is yet to make a senior appearance for the Netherlands making him eligible to play for Ghana, the country of his parents.