Klaus J.R. Altersberger, born 1961 in Munich, is living since 1998 in Dahab / South Sinai / Egypt and worked for more than 10 years in diving business as an instructor trainer and diving center manager. Martial Arts have always been his hobby and after finishing his diving carrier he could dedicate his time to the Samurai sword training. 2010 he opened as an Aikiken Sensei his first sword school in Dahab / South Sinai, and created his own training system , SAS - Spirit & Art of the Sword, to teach especially the Samurai sword with Bokken and Katana. 2016 he opened his second SAS Dojo in Alexandria / Egypt to teach students. which are targeting to reach the SAS Master level. which open them the door to the SAS Teacher's Path.