| Current Officers | |
| Secretary General | Aaron Bauer, USA |
| Secretary General Elect | Jean-Marc Hero, Australia |
| Treasurer | Alan Savitsky, USA |
| WWW Manager | Miguel Vences, Germany |
| Chair IHC | Richard Griffiths, UK |
Secretary-General |
Treasurer |
|
| 1982-1989 | Kraig Adler | Marinus Hoogmoed |
| 1989-1993 | Marinus Hoogmoed | Robert L. Carroll |
| 1993-1997 | Marvalee Wake | Roger Avery |
| 1997-2001 | Mike Tyler | Roger Avery |
| 2001-2005 | Ulrich Joger | W. Ronald Heyer |
| 2005-2008 | Walter Hödl | W. Ronald Heyer |
| 2008-2012 | Aaron Bauer | Alan Sawitzky |