Daniel Kretinsky has officially bought a minority stake in West Ham Football Club after weeks of speculation surrounding the 46-year-old.

The billionaire will take his place on the Irons’ board after agreeing to buy a 27% share in the Premier League side.

David Sullivan, David Gold and Karren Brady have welcomed the new investment but Kretinsky’s arrival does raise a few questions.

Press the next page as we go through five things you need to know about the Czech businessman.