Germany: Buesgen Institute, Goettingen University.
Costa Rica and Nicaragua: The Tropical Agricultural Research and Higher Education Center (CATIE)
Guatemala: Summer internship with Wildlife Conservation Society, Peten, Guatemala.
Uganda and Kenya: Research field visit to in association with World Agroforestry Centre (ICRAF).
Mexico: North American Mobility Program (NAMP) Representative at the University of Veracruzana.
Germany: Visiting Scientist with Bilateral Cooperation Fellowship from DFG (German Research Foundation).
Costa Rica: International agriculture study abroad program (2004) and research project (2016).
Bali, Indonesia: Presentation at the International Conference on Agriculture, Biology and Environmental Sciences in Bali, Indonesia, 2014.
Rome, Italy: Invited poster in Symposium on Agroecology for Food Security and Nutrition’ organized by the FAO, United Nation, Rome, Italy, 2014.
Vienna, Austria: Poster in Joint FAO (UN)/IAEA International Conference on Managing Soils for Food Security and Climate Change, Vienna, Austria, 2012.
Aarhus, Denmark: Collaborative meeting & field visit at Aarhus University.
Tamil Nadu, India: Presentation at the National Eco-development Board.
USA: Several presanctions in national and regional meetings.