Mr. Wissem GHARBI successfully completed IT systems engineering courses on ESCALA POWER 5, POWER6 AND POWER7 systems administered by Bull S.A.S from September 7-12, 2015 at the ATOS site in Massy, France. The courses were led by Bassam Al-khawam and certificates were signed by both the teacher and Support Manager, Regis Mouret on behalf of Bull S.A.S.