Clavister appointed Przemek Sienkiewicz as the new Chief Strategy Officer to the executive management team, effective immediately. Sienkiewicz, a seasoned professional with experience from IBM where he has been their director for cloud and cognitive business as well as creating and heading up Google's enterprise business in some 30 countries in Europe. Previous to that, he was Sales Director for Oracle in EMEA and held sales positions in (amongst others) Lucent Technologies.