2019
Katrina Noland, Land Management Specialist, St Johns River Water Management District; former Land Manager, Bok Tower Gardens
Matt Lobdell, Director of Landscape and Living Collections Cultivation, Missouri Botanical Garden; former Head of Collections and Curator, The Morton Arboretum
Paul Orpello, former Director of Gardens and Horticulture, Hagley Museum and Library
Evan Meyer, President & CEO, Bloedel Reserve; former Assistant Director, UCLA Mildred E. Mathias Botanical Garden
2018
Bryan Thompson-Nowak, Director of Education, Morris Arboretum & Gardens
Carissa Dougherty, Head of Knowledge Management, The Morton Arboretum
Daniel J. Hinkley, Director, Heronswood Garden
Sara Levin Stevenson, Executive Director, Friends of the Wissahickon Park; former Director of Audience Development, Mt. Cuba Center
Steffen Mirsky, Emerging Crops Commercialization Outreach Specialist, University of Wisconsin-Madison; former Evaluation and Trials Manager, Seed Savers Exchange
William Wallace, Gardener, Brooklyn Botanic Garden; former Cranford Rose Gardener, Brooklyn Botanic Garden
2017
Laura Fernald Ekasetya, North American Agent, Piet Oudolf Collections; former Director and Head Horticulturist, the Lurie Garden
Steven A. Wright, Director of Horticulture and Curator of Plant Collections, Jenkins Arboretum & Gardens
Gwyn Rager, former Horticulturist, Newfields
Gerald Dieleman, Senior Director of Horticulture, Assiniboine Park Conservancy
2016
Francheska Snyder, Gardener, NIWA Method; former Gardener, Portland Japanese Garden; former Head Gardener, Shofuso Japanese House and Garden
Ayse Pogue, Senior Horticulturist, Chicago Botanic Garden
Sarah Beck, Executive Director, Friends of the Santa Cruz Libraries; former Director of Programs & Education, American Public Gardens Association
Ben Futa, Owner, Botany LLC; former Director, Allen Centennial Garden
Kurt Dreisilker, Executive Director, Wellfield Botanic Gardens; former Head of Natural Resources, Morton Arboretum
Gabe Tilove, Director of Adult Education and Community Outreach; former Adult Education Coordinator, Phipps Conservatory and Botanical Garden
2015
Tyler Mason, Assistant Professor or Horticulture & Landscape Architecture, Oklahoma State University; former Horticulturist, Cheyenne Botanic Gardens
Kelly D. Norris, Plantsman and Founder, The Public Horticulture Company; former Director of Horticulture, Greater Des Moines Botanical Garden
Edward Scott Lyon, (retired) Director, Reiman Gardens
Harnek Singh, Horticulturist, Wave Hill
Frederique Lavoipierre, Author; former Director of Education, Santa Barbara Botanic Garden
2014
Andre ten Dam, former Director of Operations, former Director of Volunteer & Guest Services, Bloedel Reserve
Kelly Ann Fernandez, Director of Horticulture and Facilities, Descanso Gardens; former Head Gardener, Herb & Shakespeare Gardens, The Huntington Library, Art Collections and Botanical Garden
Jennifer Williams, (deceased) Curator of the Shakespeare Garden & Fragrance Garden, Brooklyn Botanic Garden
Panayoti Kelaidis, Senior Curator and Director of Outreach, Denver Botanic Gardens
Olwen Grace, PhD, Honorary Research Associate, Accelerated Taxonomy; former Senior Research Leader, Royal Botanic Gardens, Kew
Tony Aiello, Associate Director, Conservation, Plant Breeding and Collections, Longwood Gardens; former Director of Horticulture and Curator, Morris Arboretum
Kris Bachtell, (retired) Vice President of Collections and Horticulture, Morton Arboretum
2013
Gregory Kramer, Superintendent of Parks and Trees Division, Town of Greenwich, CT, Department of Parks & Recreation; former Director of Horticulture, Bok Tower Gardens
Amy Padolf, Director of Education, Fairchild Tropical Botanic Garden
Joe Matassino, Director of Sponsored Research and Foundation Relations, Widener University; former Director of Development, Delaware Center for Horticulture
Tracy Jessen, Naturalization Coordinator for Halifax Regional Municipality; former Horticulturist and Educator, Halifax Public Gardens
Jacob Burns, Horticulturist, Dow Gardens; former Curator of Herbaceous Perennials, Chicago Botanic Garden
Robert Rensel, (deceased) Horticulturist, Cleveland Botanical Garden
Erin Riggs, Taxonomist, Hoyt Arboretum, Portland Oregon
David Weir, Manager, Greenhouse, Grounds & Ornamental Gardens, Pacific Agriculture Research Centre Canada
2012
Elizabeth Hood, former Director of Education, Toronto Botanical Garden
Corey Scott Barnes, Corey Barnes Horticulture and Consulting; former Education Coordinator and Nursery Manager, Quarryhill Botanical Garden
Carrie Vesely Henderson, Executive Director, Iron Gate; former Vice President of Development and Outreach, Tulsa Botanic Garden
Nicole Juday Rhoads, Executive Director, IDEAL Industries Foundation; former Landscape Curator, The Wyck Association
Chad E. Washburn, Vice President of Conservation, Naples Botanical Garden
Phyllis Odessey, Director of Horticulture, Randall’s Island Park
2011
Andrew Hill, Curator, David C. Lam Asian Garden, University of British Columbia Botanical Garden
Connie Cottingham, Independent Garden Writer and Speaker; former Public Relations & Special Events Coordinator, State Botanical Garden of Georgia
Tim Boland, Executive Director, Polly Hill Arboretum
Snezhana Yermakov, Senior Program Analyst, DOI/Flatwater; former Natural Areas Manager, Chicago Park District
Andrew Schmitz, Director of Horticulture and General Manager, The Brenton Arboretum
2010
Andrew Bunting, Vice President of Public Horticulture, Pennsylvania Horticultural Society; former Curator, Scott Arboretum & Gardens
Stephanie Jutila, Executive Director, Toronto Botanical Garden; former Director of Member Programs and Outreach, American Horticultural Society
MaryLynn Mack, Chief Executive Officer, Memphis Botanic Garden; former Deputy Director and Director of Operations, Desert Botanical Garden
Jennifer Lee, Senior Horticulturist, Shaw Nature Reserve of the Missouri Botanical Garden
2009
Mark Dwyer, owner Landscape Prescriptions by MD; former Director of Horticulture, Rotary Botanical Gardens
Adrienne Roethling, Director, Paul J. Ciener Botanical Garden
Ian Simpkins, Senior Deputy Director for Horticulture and Urban Agriculture; former Chief Horticulturist, Vizcaya Museum and Gardens
Brian Sullivan, Vice President for Glasshouses and Landscape, New York Botanical Garden
2008
Brian Houck, Head of Gardens and Grounds, J. Paul Getty Museum; former Chief Horticulturist, Lincoln Park Zoo