Faculty and Staff

Barb Kreski, M.H.S., OTR/L, HTR
Director of Horticultural Therapy Services
Barb Kreski supervises the horticultural therapy services department at the Chicago Botanic Garden. Barb's background spans a wide range of clinical settings including psychiatric hospitals, Hines Veterans Administration Hospital, skilled nursing facilities, public schools, and pediatric rehabilitation. She has incorporated plant- and nature-based interventions in her work in each of these settings. She holds a master's degree in health sciences with a concentration in neuroscience and an undergraduate degree in occupational therapy.

Alicia Green, M.A., NCC, HTR
Coordinator, Buehler Enabling Garden
Alicia Green is responsible for maintaining the Buehler Enabling Garden as a world-class display and for delivering horticultural therapy services outside the garden. Alicia also manages a staff of 40 volunteers who assist with garden maintenance and promoting the mission of the Enabling Garden as a barrier-free garden. Alicia has a B.A. in biology from the University of Illinois with an emphasis in ornamental horticulture and began her career at the Chicago Botanic Garden in 2000 as the nursery grower. She continued to gain experience in interior landscaping, exterior landscaping, high-end garden retail, and holiday design. She obtained a master's degree in counseling from Northeastern Illinois University in 2009 and is a National Certified Counselor.

Clare Johnson, BLA
Offsite Coordinator
Clare Johnson serves as the offsite coordinator of Horticultural Therapy Services at the Chicago Botanic Garden. She is responsible for the supervision and delivery of horticultural therapy services at sites throughout the greater Chicago area such as residences for adults with special needs, special education programs, and Veterans Hospitals. Clare also provides consultation to facilies planning therapeutic gardens. This includes systematically discerning the needs, uses and stakeholders in the project and providing conceptual designs based on that process. Clare has a bachelor's degree in landscape architecture from the University of Illinois, Urbana-Champaign. She is scheduled to complete the horticultural therapy certificate program and is working towards registration through the American Horticultural Therapy Association.

Mark Zampardo, Ph.D.
Horticulture Educator and Professor Emeritus in Horticulture, College of Lake County
Mark Zampardo has served as a core instructor in the certificate programs for the Joseph Regenstein, Jr. School of the Chicago Botanic Garden since 2007. For the 28 years prior, he served as coordinator of horticulture for the College of Lake County. Mark has authored A Landscaper's Guide to Perennial Flowers with English/Spanish Glossary and published several magazine articles. His book on perennial flowers is soon to be published.