| Charles Anthony Rose | Director | 4 Aug 2000 | 28 Sept 2006 | British | 73 years |
| Daniel Robert Hird | Director | 31 Dec 2010 | 4 Jan 2013 | British | 62 years |
| Dwight Craig Kuhns | Director | 21 Jul 1993 | 11 Jun 1996 | American | 76 years |
| Dwight Craig Kuhns | Secretary | 21 Jul 1993 | 21 Jul 1993 | American | - |
| Francesca Maria Teresia De Monterey | Secretary | 4 Aug 2000 | 31 Mar 2003 | British | - |
| Frederic Mayer | Director | 12 Jan 1999 | 4 Aug 2000 | American | 68 years |
| Herbert Lee Oakes Jr | Director | 11 Jun 1996 | 27 Oct 1998 | American | 80 years |
| James Carmine Antony Vaccaro | Director | 28 Sept 2006 | 9 Jul 2012 | British | 52 years |
| Joan Suzanne Pullen | Secretary | 31 Mar 2003 | 28 Sept 2006 | British | - |
| John D'ardenne | Director | 21 Jul 1993 | 21 Jul 1993 | British | 74 years |
| John D'ardenne | Secretary | 21 Jul 1993 | 4 Feb 1997 | British | - |
| John Douglas Kuhns | Director | 21 Jul 1993 | 13 Nov 1998 | American | 76 years |
| Kevin Jenden | Director | 21 Aug 1993 | 25 Sept 1995 | British | 76 years |
| Marie Angela Heesom | Director | 1 Jan 2005 | 28 Sept 2006 | British | 65 years |
| Matthew Ian Alexander Robinson | Director | 28 Sept 2006 | 18 Apr 2008 | British | 70 years |
| Matthew Ian Alexander Robinson | Secretary | 28 Sept 2006 | 18 Apr 2008 | British | - |
| Michael Harvey Best | Director | 21 Jul 1993 | 11 Jun 1996 | American | 76 years |
| Michael Sumner Babcock | Director | 21 Jul 1993 | 21 Jul 1993 | British | 61 years |
| Triodos Corporate Officer Limited | Corporate Director | 6 Jun 2011 | 16 Mar 2016 | United Kingdom | - |
| Triodos Corporate Officer Limited | Corporate Secretary | 6 Jun 2011 | 6 Jun 2011 | United Kingdom | - |
| Triodos Corporate Officer Limited | Corporate Secretary | 6 Jun 2011 | 16 Mar 2016 | United Kingdom | - |
| Triodos Investments Limited | Corporate Secretary | 18 Apr 2008 | 6 Jun 2011 | United Kingdom | - |
| Vitold Jordan | Director | 4 Feb 1997 | 4 Aug 2000 | Canadian | 72 years |
| Vitold Jordan | Secretary | 4 Feb 1997 | 4 Aug 2000 | Canadian | - |