Adil Belhaj (Spanish MECD, 2003-2004)

Gabrielle Honecker (EU RTN, 2002-2004)

Yann Mambrini (EU RTN, 2003-2004)

Roberto Contino (EU RTN, 2002-2003)

Christos Kokorelis (Spanish MECD, 2001-2003)

Shaaban Khalil (Spanish MECD, 1999-2000)

Pedro Silva (??, 1999-2000)

Matthias Klein (EU RTN, 1998-2000)

Emidio Gabrielli (EU RTN, 1997-2000)

Stefano Rigolin (EU Marie Curie, 1997-1999)

Andrea Donini (Italian INFN, 1997-1998)

Hang-Bae Kim (Spanish MEC, 1995-1997)

Sudipta Mukherji (??, 199?-199?)

Bert Janssen (??, 199?-199?)

Patrick Meessen (??, 199?-199?)

K. Adel (??, 199?-199?)

S. Titard (??, 199?-199?)