We don’t know much about the early years of Eoos.
1980: founding of Eoos
1980-1990- 1980-1987
: ? - 1987-1988: Catherine Steur
- 1988-1989: Johan Buggenhout
- 1989-1990: Johan Buggenhout
- 1990-1991: Joris Heirbout
- 1991-1992: Koen Vandenheuvel
- 1992-1993: An Trouwaen
- 1993-1994: Tom Dekeyzer
- 1994-1995: Pieter Thienpont
- 1995-1996: Bruno Therry
- 1996-1997: Miet Deceuninck
- 1997-1998: Mikaël Bauer & Jeroen Van Dyck
- 1998-1999: Jeroen Van Dyck
- 1999-2000: Luk Gerits
- 2000-2001: Leen Lutters
- 2001-2002: Hendrik Hammeeuw
- 2002-2003: Anthony Van Beneden
- 2003-2004: Tobias Desmet (Egyptology) & Mathias Groenweghe
- 2004-2005: Pieter Rymen
- 2005-2006: Rob Tuerlinckx (Arabic & Islamic Studies)
- 2006-2007: Malcolm Sutherland
- 2007-2008: Caroline
& Eleonore Milbou (Arabic & Islamic Studies)Medats - 2008-2009: Bert Willems (Slavonic Studies)
- 2009-2010: Reinoud Dupan (Arabic & Islamic Studies)
- 2010-2011: Charlotte Meulemeester (Slavonic Studies)
- 2011-2012: In this year, Eoos was headed by a board of vice presidents, consisting of:
- Sander Beelaert (Syro-Mesopotamia)
- Joren Claesen (Japanology)
- Evelien Leemans (Arabic & Islamic Studies)
- Kenneth Leemans (Slavonic Studies)
- Thomas Van Hoey (Sinology)
- 2012-2013: Sander Beelaert (Syro-Mesopotamia)
- 2013-2014: Thomas Van Hoey (Sinology)
- 2014-2015: Ann-Sofie Van Enis (Japanology)
- 2015-2016: Céline Debourse (Ancient Near East)
- 2016-2017: Yentl Biebaut (Sinology)
- 2017-2018: Anne-Marie Dedene (Anmar, Sinology)
- 2018-2019: Anne Marie Vermeiren (Annie, Arabic & Islamic Studies)
- 2019-2020: Stijn Mertens (Arabic & Islamic Studies)