| 1995 - 1998 | Sir Walter Bodmer |
| 1999 - 2002 | Professor Susan Greenfield |
| 2003 - 2005 | Lord Robert Winston |
| 2006 - 2008 | Professor Colin Blakemore |
| 2009 - 2011 | Professor Steve Jones |
| 2011 - | Professor Dame Nancy Rothwell |
“Knowing trees, I understand the meaning of patience. Knowing grass, I can appreciate persistence”Hal Borland
| 1995 - 1998 | Sir Walter Bodmer |
| 1999 - 2002 | Professor Susan Greenfield |
| 2003 - 2005 | Lord Robert Winston |
| 2006 - 2008 | Professor Colin Blakemore |
| 2009 - 2011 | Professor Steve Jones |
| 2011 - | Professor Dame Nancy Rothwell |