Chatfield is an Associate Professor with Ohio State University Extension in Wooster and in the Department of Horticulture and Crop Science and the Department of Plant Pathology. He holds an M.S. in Plant Pathology from Ohio State University and a B.S. in Botany from Ohio University, with experience managing a greenhouse in Denver, Colo. and working in a number of plant diagnostic labs. He teaches throughout Ohio and the U.S. at green industry programs and publishes articles in a number of scientific, extension outreach, and trade journals. His specialties include plant problem diagnostics, street tree evaluations, plant disease management, and plant selection. Chatfield is President of the International Ornamental Crabapple Society. Follow bygl.osu.edu; the Buckeye Yard and Garden Line blog-like website and bygl-alerts updates.