Today newly-appointed Brazilian Ambassador to Armenia Renate Stille presented credentials to Armenian President Robert Kocharian, reports the Press Service of the Armenian leader. During the meeting Kocharian noted that activation is observed in Armenian-Brazilian cooperation owing to Brazil's decision to open an Embassy in Yerevan. In her turn Renate Stille stated that while being in Armenia, the Embassy can work very effectively, first of all trying to activate economic ties. In her words, the Armenian community of Brazil can promote development of cooperation between the two countries.