Stacy Tollefson is an Assistant Professor of Practice in the Biosystems Engineering Department at UA and is part of the CEAC Faculty. She received her Ph.D in Agricultural & Biosystems Engineering at UA, specializing in Hydroponic Vegetable Production and Pest Management in December 2014. Currently she teaches Introduction to Hydroponics, Advanced Greenhouse Crop Production, and Integrated Pest Management for CEA. She maintains the 5,000 SF teaching greenhouse, a tomato specialty greenhouse, a hemp and aquaponics greenhouse, the Student Union Rooftop Greenhouse and Campus Pantry Greenhouse at CEAC and maintains an Urban Food Production Internship program with about 15 interns per semester. She is the advisor for the Controlled Environment Agriculture Student Association (CEASA). She was one of only 16 members of the 2016-2017 USDA National Organic Program Hydroponic and Aquaponic Taskforce. She has experience consulting for a number of hydroponic growing operations, both in the states and abroad.