Professor Lebi Perez is currently a Manager of the sustainable coffee program, training department and coordinator of the Inspector program for Latin America of OCIA International, a U.S. based not-for-profit farmer organization intended to promote organic crop production and sustainability worldwide through areas of certification and research. He is also Member of the International certification committee and residue test committee. From 1974-80, he received a scholarship which enabled him to study in the United States of America where he earned his bachelor and master degree in Agriculture with emphasis in crop production (soybeans). His work on Nutrient uptake by Soybeans as influenced by irrigation, organic matter and N-fertilizer applications was published by Dr. Charles Shapiro in Journal of Fertilizer Issues, December 1987. Also, he has conducted post graduate work in the areas of crop protection (weed science) and botany, including technical training with botanists of South America such as Dr. Badillo and Dr. Baltasar Trujillo.

As a part of his professional experience in agriculture, he also involved as Associate Professor of agronomy at UNET-Venezuela. He has been very active as a training instructor in various certification programs and requirements needed by organic operations of different countries, with special interest in community grower groups.

Etnobotany; Plant Ecology and Weed science.