Number
Name
Years in office
1st
Dr Castellucci
1982-1985
2nd
Dr Cergneux
1985-1986
3rd
Juan Oliveres
1986-1987
4th
Wladimir Adlivankine
1987-1995
5th
Paul Wesselink
1996-2001
6th
Claus Löst
2001-2009
7th
Paul Dummer
2010-2017
The position of Secretary was rescinded at the end of 2017