De Haan was the manager of the Tuvalu national team during 2011 and then rejoined Heerenveen's youth programme.

He continued to spend the next 20 years with the club—the longest time a coach worked for a Dutch professional football club.

[3] In 2003, he received the Sport Award and on 10 May 2004, after his final game as coach of Heerenveen, he was acknowledged as a Knight of the Order of Orange-Nassau.

[1] De Haan had announced that he would retire from football at the end of the 2008–09 season, when his contract with the KNVB expired.

[3] Instead he returned to work as a senior advisor at SC Heerenveen, before being appointed head coach at South African Premier Soccer League club Ajax Cape Town.