Guharay (Ph.D.,1982, University of Nottingham), is currently Advisor Projects and Services with a Mesoamerican Information Services for Sustainable Agriculture, SIMAS. Earlier he served as Program manager Climate Smart Cocoa World Cocoa Foundation (WCF), Scientist Research for Development, International Center for Tropical Agriculture (CIAT); Programme Leader for Integrated Pest Management and Agroforestry, Tropical Agricultural Research and Higher Education Center (CATIE), Professor of Plant Protection, National Agricultural University, Nicaragua (UNA) and Research Assistant Professor Biophysics, State University of New York at Buffalo. He is a member of the Latin American Society of Agroecology. He elucidated the biophysical basis of mechanoreception by discovering stretch-activated ion channels. His research helped to scale the biological control of vectors of Malaria in Nicaragua and laid the foundation of ecological management of agroforestry systems in Mesoamerica. He was awarded National Scholarship for Ph.D. studies by Govt. of India in 1978, the Research Scientist of the year by CATIE 2003, and the Coffee personality of Nicaragua by RAMACAFE 2006.