The vocation of CNA, SENA’s dissemination site, is to provide reference information on the association’s activity. Corporation Officers: – Chairman: Gerald Walle– Vice-president: Karim MESTAR.– Treasurer:Marvin Klein– Secretary: Karen Ingle Contacts : SENA USA –P.O Box 654So. Cle Elum WA, 98943 Téléphone : +1.781.820.2067   Web hosting : Automattic Inc. (WordPress)60 29th Street #343San Francisco, CA