Casey is the H.O. Smith Endowed Director of the Arboretum at Penn State. He holds a master of science degree and doctorate in entomology from Colorado State University, and a bachelor of science degree in ornamental horticulture from California Polytechnic State University, San Luis Obispo. He received the American Public Gardens Association’s Professional Citation in 2011 and from that year until 2022, he was its executive director. Prior to that, he spent 15 years leading plant health care at Longwood Gardens in Kennett Square, PA. Since his arrival at Penn State, Casey has also been appointed an affiliate professor in the Department of Entomology and is a member of the Center for Pollinator Research. Casey enjoys developing partnerships that benefit the growth and development of professionals in the horticulture industry, and help preserve, conserve, and grow gardens and habitats.