Before joining the Garden, Andrew was Assistant Director of the Garden and Director of Plant Collections at the Chicago Botanic Garden from 2015-2018. For the past 26 years he was Curator at the Scott Arboretum at Swarthmore College. From 1991-1992 is was curator at Chanticleer in Wayne, Pennsylvania. Andrew is the past president of the Magnolia Society International and The Delaware Center for Horticulture. He is has also served as Chair of Horticulture for the Philadelphia Flower Show; served on the Woody Plant Conference Committee for 16 years; and has done committee work for Bartram's Garden, Tyler Arboretum and Awbury Arboretum. He has published over 200 articles in American Gardener, Arnoldia, The Hybrid, Fine Gardening, The Magnolia Society Journal, Green Scene and Organic Gardening. He has lectured extensively in the United States, as well as, England, Belgium, Poland and New Zealand. Andrew has participated in plant expeditions to China, Taiwan, Vietnam, Japan and South Africa. Andrew is the recipient of American Public Gardens Association Professional Citation and received the Chanticleer Scholarship in Professional Development in 2010. His home garden in Swarthmore, Pennsylvania, Belvidere has been featured in This Old House Magazine and in the Wall Street Journal. Andrew published his first book in 2015 by Timber Press, The Plant Lover's Guide to Magnolias.