1 September 2026Appointed Fennema, Johannes Jan as Director
1 September 2026Resigned Kroon, Jacob Melchior as Director
30 June 2024Resigned Billingham, Stephen Robert, Doctor as Director
30 October 2023Appointed Bos E/v Jones, Regina Veronica Maria as Director
1 October 2022Appointed Huck, Janet Margaret as Secretary
25 June 2021Resigned Newby, Sarah as Secretary
1 September 2018Appointed Kroon, Jacob Melchior as Director
31 August 2018Resigned Verberg, George Hendrik Bernard as Director
1 January 2016Resigned Hood, John Antony, Dr as Director
8 October 2015Resigned Goedvolk, Victor Izaak as Director
26 February 2015Resigned Fischer, Bernhard Erich Alois, Dr as Director
26 February 2015Appointed Bevan, Alan Richard as Director
24 November 2014Resigned Jaeger, Gerd Michael, Dr as Director
24 November 2014Appointed Weigand, Frank, Dr as Director
31 October 2014Resigned Niggebrugge, Marcellinus as Director
12 December 2012Resigned Le Blanc, Lambertus Johannes Carolus Maria as Director
1 November 2012Appointed Niggebrugge, Marcellinus as Director
4 April 2012Appointed Newby, Sarah as Secretary
4 April 2012Resigned Bucksey, Nicholas as Secretary
4 April 2012Appointed Le Blanc, Lambertus Johannes Carolus Maria as Director
1 January 2012Appointed Hood, John Antony, Dr as Director
1 August 2011Appointed Bucksey, Nicholas as Secretary
1 September 2009Appointed Billingham, Stephen Robert, Doctor as Director
3 April 2008Resigned Hohlefelder, Walter, Doctor as Director
3 April 2008Appointed Fischer, Bernhard Erich Alois, Dr as Director
16 December 2004Resigned Voss, Antonius, Dipl Volkswirt as Director
11 December 2003Appointed Verberg, George Hendrik Bernard as Director
10 December 2003Resigned De Leur, Laurens Clausinus Francisus Andreas Joannes as Director
9 April 2003Appointed Goedvolk, Victor Izaak as Director
8 April 2003Resigned Tieleman, Willem Hendrik Johan, Drs as Director
3 March 2003Appointed Voss, Antonius, Dipl Volkswirt as Director
1 July 2002Appointed De Leur, Laurens Clausinus Francisus Andreas Joannes as Director
30 June 2002Resigned Nijs, Wilhelmus Wijnandus as Director
30 June 2002Resigned Selman, Rudolf Eric as Director
1 March 2001Appointed Jaeger, Gerd Michael, Dr as Director
12 December 2000Resigned Fabian, Hans-Ulrich, Dr as Director
1 January 1999Appointed Hohlefelder, Walter, Doctor as Director
31 December 1997Resigned Breloer, Bernd Jobst as Director
24 September 1996Appointed Fabian, Hans-Ulrich, Dr as Director
23 September 1996Resigned Gaul, Hans Michael, Dr as Director
4 May 1996Appointed Nijs, Wilhelmus Wijnandus as Director
4 May 1996Resigned Dee, Robert William Rudyard, Drs as Director
1 September 1993Appointed Selman, Rudolf Eric as Director
31 August 1993Resigned Mohrhauer, Hans Toni Wilhelm, Dr as Director
31 August 1993Resigned Hootsmans, Norbertus Antonious Maria, Ir as Director
31 August 1993Resigned Hoekstra, Rudolf Reitze as Director