Irwin Donis-Gonzáles

UC Davis Biological and Agricultural Engineering

Dr. Donis-Gonzáles is Assistant Cooperative Extension Specialist in the Department of Biological and Agricultural Engineering at UC Davis.

Dr. Irwin Donis-Gonzáles joined the Department of Biological and Agricultural Engineering on October 15, 2015 as a Cooperative Extension postharvest systems engineering specialist. His program is focused on postharvest engineering, handling (storage, drying, etc.), traceability, and processing of agricultural commodities with a goal of reducing energy consumption while ensuring food quality and safety, critical issues for the fresh market fruit and vegetable, dried fruit, tree nut and rice industries in California. Long term, Dr. Donis envisions working together with growers, agro-food scientists, industry partners and laborers in topics related to postharvest technology, engineering, management, storage operations, agriculture & food quality, and safety. 

Dr. Irwin Donis-González’s passion for agriculture and postharvest technologies began in the years 2004 in his native Guatemala, working as an independent agro consultant upon earning his Bachelor’s and Licentiate degree in Agricultural Engineering from the Del Valle University of Guatemala.  Wanting to pursue advanced training in postharvest management, he went to earn his M.Sc. degree at Michigan State University (MSU), as a Fulbright Scholar. Using chestnuts as a model, he was instrumental in reducing the microbial contamination in fresh and processed foods by directly overseeing the postharvest management/storage of chestnuts throughout the state of Michigan. He then went on to earn his Ph.D. in Biosystems and Agricultural Engineering at MSU to further the use of non-destructive sensing technologies to assess the internal attributes of fruits, chestnuts, and vegetables.  Dr. Donis was previously working as a postdoctoral associate at MSU addressing challenges for agro-based industries in the State of Michigan.



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