Paula Diane Relf, PhD, HTM Professor Emeritus has pioneered work in horticultural therapy as one of the founding professionals in what is now the American Horticultural Therapy Association, serving as executive director from its inception into the mid-80’s and as president from 1975-1979. She was also a founder of the International People-Plant Council and served as chair from 1989 to 2003. Diane continues to influence and inspire worldwide in horticultural therapy, horticulture, and Extension, education, and health services with her on-going presentations, publications, and projects including THAD.
Leadership for THAD has been provided by Lesley Fleming, HTR, Leah Diehl, HTM, Trish Hildinger, HTR, Gerry Sherman, HTR and Catherine Crowder, HTR.
Kathy Anderson
Rob Bennaton
Maureen Bethel
Kathy Brechner
Carolyn Brown
Joanna Brown
Amy Bruzzichesi
Kathy Carroll
Bob Carroll
Janet Carter
Casey Cook
Catherine Crowder
Leah Diehl
Lesley Fleming
Bridget Gaines
Christina Gigliotti
Angie Girdham
Megan Goulden
Katie Grimes
Karen Haney
Sally Haskett
Faryn-Beth Hart
Mitchell Hewson
Trish Hildinger
Beth House
Shannon Jarrott
Helen Kwack
Anne Larsen
Kathy Laurenhue
Marcia Lilley
Hillary Lindsay
Alexandra Marcaccio
Lisa McCuaig
Yuki Miyake
Susan Morgan
Janice Morrison
John Murphy
Karen Nelson
Erin O’Connor
Katherine Oliver
Mary Partridge
Peg Pecora
Antonia Phillips
Zuzana Poláčková
Mary Predney
Diane Relf
Mallory Schroer
Gerry Sherman
Bree Stark
Sarah Sterling
Jessica Sullivan
Christene Tashjian
Siang Yu Tham
Emilee Weaver
Erica Wharton
Jeanne Willis
Christina Wilson
Morgan Whitaker Smith
Silvia Yoshimizu-Yee