International Co-ordinating Council of the Programme on Man and the Biosphere. Expert Panel on Project no. 1: Ecological Effects of Increasing Human Activities on Tropical and Sub-tropical Forest Ecosystems in the Programme on Man and the Biosphere
International Conference on Postharvest and Quality Management of Horticultural Products of Interest for Tropical Regions (2009 : San José, Costa Rica)
International Conference on Postharvest and Quality Management of Horticultural Products of Interest for Tropical Regions (3rd : 2013 : Port of Spain, Trinidad and Tobago)