Foreign Sojourns

• Resident Affiliate
  Software Engineering Institute ( SEI )
  Carnegie Mellon University, Pittsburgh (USA)
  February 1992-August 1992
  
• Staff
  European Space Agency ( ESA ) 
  Rome (Italy) 
  October 1988- October 1989
• Fellow
  Centre Europeen pour la Recherche Nuclear ( CERN )
  Geneva (Switzerland)
  February 1988 – October 1988