Joel contributes his expertise to CQI's work in processing, including management of the Q Processing 3 course. He specializes in the post-harvest and quality analysis of coffee, and holds a master’s degree in Agricultural Engineering from the Universidade Federal de Lavras with a specialization in coffee post-harvest processing. He is a Q Arabica, Q Robusta and Q Processing Instructor.
As a post-harvest consultant, Joel has worked on diverse projects including the development of the Q Processing program, coffee standards for the Philippines, a post-harvest processing manual for Yunnan, China, providing post-harvest support for the nascent specialty coffee industry in Myanmar, and working with numerous coffee growers in Brazil to improve their coffee quality. He has authored or co-authored several chapters on coffee production in texts such as Coffee: Chemistry, Quality and Health Implications (Royal Society of Chemistry) and the Handbook of Coffee Post-Harvest Technology: A Comprehensive Guide to the Processing, Drying, and Storage of Coffee (Gin Press), a text which Joel also translated from Portuguese to English.