| 1941 | |
| 1980/81 | |
| 1983/84 to 1984/85 | |
| 1985/86 | |
| to 1988/89 | |
| 1989/90 to 1992/93 | |
| 1993/94 to 1994/95 | |
| 1995/96 | |
| 1996/97 to 1997/98 | |
| 1998/99 to 2003/04 | |
| 2004/05 to 2009/10 | | Ajax Netherlands Match Observer Scout |
|
| 2010/11 to 2017/18 | |
| 2018/19 | | Ajax Netherlands Match Observer Scout |
|