| BÄRTSCHI, Bernhard ACTIVE | Director | 01 Aug 2019 | | Switzerland | November 1966 | A.Vogel Ltd, Brewster Place, Riverside Business Park, Irvine, KA11 5DD, Scotland |
| SUTER, Andreas, Dr ACTIVE | Director | 01 Oct 2020 | | Switzerland | December 1970 | 2, Brewster Place, Riverside Business Park, Irvine, KA11 5DD, Scotland |
| TAN, Janny Elizabeth RESIGNED | Secretary | 19 Jan 2018 | 30 Nov 2021 | | | 36 West Portland Street, Troon, KA10 6AE |
| TAN, Janyn Elizabeth RESIGNED | Secretary | | 19 Jan 2018 | | | Auchenkyle, South Woods, Troon, Strathclyde |
| TAN, Li-Anna Elizabeth, Dr RESIGNED | Secretary | 19 Jan 2018 | 19 Jan 2018 | | | 36 West Portland Street, Troon, KA10 6AE |
| BALDINGER, Robert RESIGNED | Director | 04 Apr 1997 | 30 Nov 2016 | Switzerland | November 1951 | Bruggwalddark 7, Ch9008 St Gallen, Switzerland |
| DE VRIES, Jan RESIGNED | Director | | 07 Jul 2015 | Scotland | January 1937 | Auchenkyle, Southwoods, Troon, KA10 7EU |
| FEHR, Thomas RESIGNED | Director | 01 Aug 2019 | 20 Mar 2026 | Switzerland | April 1962 | A.Vogel Ltd, Brewster Place, Riverside Business Park, Irvine, KA11 5DD, Scotland |
| GEIGER, Hermann RESIGNED | Director | 08 Apr 1990 | 31 Dec 2018 | Switzerland | February 1951 | 6 Flovastrasse, Engelburg, Switzerland |
| GMÜNDER, Peter RESIGNED | Director | 01 Mar 2016 | 03 Aug 2020 | Switzerland | July 1966 | 36 West Portland Street, Troon, KA10 6AE |
| TAN, Harriet Mei-Lin, Dr RESIGNED | Director | 01 Jul 2018 | 31 Jul 2019 | United Kingdom | September 1993 | 36 West Portland Street, Troon, KA10 6AE |
| TAN, Janny Elizabeth RESIGNED | Director | | 31 May 2021 | Scotland | April 1963 | Auchenkyle, Southwoods Road, Troon, Ayrshire, KA10 7EL, Scotland |
| TAN, Jen Wei RESIGNED | Director | 29 Mar 1989 | 28 Feb 2026 | Scotland | July 1960 | Auchenkyle, Southwoods, Troon, KA10 7EL |
| TAN, Johannes RESIGNED | Director | 01 Jul 2018 | 31 Jul 2019 | United Kingdom | July 1989 | 36 West Portland Street, Troon, KA10 6AE |
| TAN, Li-Anna Elizabeth, Dr RESIGNED | Director | 01 Jul 2018 | 31 Jul 2019 | United Kingdom | December 1987 | 36 West Portland Street, Troon, KA10 6AE |
| TAN, Li-Anna Elizabeth, Dr RESIGNED | Director | 19 Jan 2018 | 19 Jan 2018 | United Kingdom | December 1987 | 36 West Portland Street, Troon, KA10 6AE |
| VOGEL, Alfred, Dr RESIGNED | Director | 08 Apr 1990 | 01 Oct 1996 | | October 1902 | 2 Amselweg, Feusisberg, Switzerland |