After his agrégation degree (1997), Dr. Guidere became an associate professor (Maître de Conférences) at the University of Lyon 2 in France, where he taught linguistics and translation from 1998 to 2003.[5] After September 11, 2001, the French government made use of his knowledge and Dr. Guidere was appointed resident professor by the French Military Academy of Saint-Cyr in 2003. While at this position (which lasted until 2007), he was also the director of the Strategic Information Analysis Laboratory (LAISVT) in the academy's research center (CREC Saint-Cyr).