John Kaminski (aka Harry Potter) is an Assistant Professor of Turfgrass Science at The Pennsylvania State University. Dr. Kaminski received his B.S. in Turfgrass Science from Penn State and earned his M.S. and Ph.D. from the University of Maryland. Prior to his arrival at Penn State, John worked as an assistant to Peter H. Dernoeden in the UMD Diagnostic lab and then as Director of the UConn Diagnostic Center. His research has involved an in depth look at the biology and epidemiology of turfgrass pathogens. Currently, John's research efforts are directed towards identifying more effective cultural and chemical management strategies for fine turf on golf courses that are aimed at reducing pesticide use while maintaining or improving quality and playability.