1990 : first degree's teacher Department of sports and youth (France)
1992 : assistant in the making of the Master Mabuni's 2th book traditional Karaté (Sedirep Ed.)
1995 : appointed "Kyoshi "8th Dan of Karaté degree from Mabuni Keneï 2000 : issue of 2 CD Rom
n° 1 : studying of 8 Katas 1st Dan №
2: studying of 8 new Katas upper level. (Sport.Production.Multimedia)
2001 : 2nd edition of the book "NAKAHASHI SHITO RYU Karaté-Do "
March 2002 : 8th Dan of Karaté (Karaté French Federation FFKAMA) 2002 : CD Rom n° 1 and n° 2, issued in DVD version (Sport Production Multimedia)
2002 : First cinematographic experience appearance in Gerderlini's Martial Arts movie:"Samouraïs" June 2002.
2003 : DVD n° 1 andn°2
2008 : appointed 9th Dan of Karate (Karate French Federation)