As a player, he was a goalkeeper for Volendam for more than a decade, before going into coaching as an assistant to Louis van Gaal at club sides Ajax, Barcelona, Bayern Munich and Manchester United, as well as the Netherlands national team.

He has worked with goalkeepers including Edwin van der Sar, Stanley Menzo, Víctor Valdés, Vítor Baía, Pepe Reina, Robert Enke, Łukasz Fabiański, Thomas Kraft, Michel Vorm and David de Gea.

[3][4][5][6] Starting as an amateur goalkeeper at SV Always Forward, Hoek played in goal at Volendam from 1973 to 1985, and in 1977 he achieved top flight football for the first time in the club's history.

After van Gaal left Germany in 2011, the pair took over the Netherlands national football team (for the second time), going to UEFA Euro 2012 in Poland/Ukraine and the 2014 FIFA World Cup in Brazil.

[8] Hoek again teamed up with van Gaal at Manchester United in the summer of 2014, replacing Chris Woods as the club's chief goalkeeping coach.