Meet the volunteers who serve AHTA

President
Leigh Anne Starling, LCPC, CRC, HTR

Leigh Anne is a registered horticultural therapist, certified rehabilitation counselor, and a licensed clinical professional counselor. She holds a BS in horticulture from Virginia Polytechnic and State University and an MS in rehabilitation counseling from San Francisco State University. She currently works in a mental health setting where she incorporates horticultural therapy into her practice. Leigh Anne provides instruction to horticultural therapy supervisors. She chairs the AHTA’s Professional Registration Review Board.

President Elect
Jonathan Irish LPC, HTR

Jonathan is a licensed professional counselor and a registered horticultural therapist. He earned his MA at Denver Seminary and attended the Horticultural Therapy Institute in 2014. He is employed at Rogers Memorial Hospital in Oconomowoc, WI, as the horticultural therapy coordinator. Jonathan runs horticultural therapy groups for inpatient and residential patients with eating disorders, trains other therapists, creates and modifies curriculum for the various patients served by Rogers, and helps design therapeutic landscapes.

Treasurer
Jennifer Smith, HTR
Jennifer is the Public Programs Manager and registered horticultural therapist at the Missouri Botanical Garden. Jennifer started her career instructing nature-based classes to low-income seniors and the senior living community. Her department has grown to serve diverse audiences such as children in long-term rehabilitation, the cancer support community, and kids in crisis. Jennifer received her BS in Plant and Soil Science-Landscape Design from SIU-Carbondale. She serves as the AHTA Conference Work Team Leader.
 
Secretary
Erin Backus, CRC, HTR
 
Erin is a registered horticultural therapist and certified rehabilitation counselor. She holds a BT in plant science from SUNY Cobleskill and an MS in rehabilitation counseling from SUNY Buffalo. Erin currently works in a mental health setting, teaches at the New York Botanical Garden in the Horticultural Therapy Certificate Program, and is a distance HTR internship supervisor. Erin is the president of the Northeast Horticultural Therapy Network and an active volunteer at the Pawling Nature Reserve.
Immediate Past President
MaryAnne McMillan, HTR

MaryAnne is a registered horticultural therapist. MaryAnne is employed at Rutgers Garden and is a horticultural therapist at Allies Inc. in Hamilton, New Jersey, where she coordinates horticultural therapy programs for the Farm Day Program for adults with diverse needs. She also coordinates internships through these programs with Rutgers University and Temple University. MaryAnne earned her Horticultural Therapy Certificate at the New York Botanical Garden. She is the AHTA Nominations and Elections Review Board Chair.

Gary L. Altman, CRC, HTR

Gary is a professionally registered horticultural therapist and certified rehabilitation counselor. He earned his horticultural therapy certificate at Rutgers University, where he also holds an MS in rehabilitation counseling. Gary is a lecturer, and the associate director of the Rutgers University horticultural therapy program, and specializes in horticultural skills training and supported employment for individuals with disabilities.  

Debra Edwards, HTR

Debra is a registered horticultural therapist and received her horticultural therapy certificate from the Horticultural Therapy Institute, and a BS of landscape architecture from Auburn University. Debra has 17 years of experience in landscape design and maintenance and now works as an activities coordinator and horticultural therapist in Nashville, Tennessee. The populations she serves include residential and adult day clients at Abe's Garden Alzheimer's and Memory Care Center of Excellence.

 
Tim Garland, RLA

Tim is certified in Healthcare Garden Design through the Chicago Botanical Gardens. He has designed, programmed, and developed numerous gardens for various Rogers Memorial Hospital campuses around Southeast Wisconsin. Tim designed and developed a therapy garden program, Eldergarten, serving the low income and senior community of St. Matthew's Episcopal Church in Kenosha, Wisconsin. Tim is currently an Eldergarten board member and continues to be active in the phasing of this project.

 
Ciri Malamud, CRC, HTR

Ciri is a certified rehabilitation counselor and a registered horticultural therapist. She is currently conducting therapeutic garden programs in NYC Parks (Brooklyn) for young disabled adults who have aged out of the NYC education system. Ciri is a co-founding partner of TandC Associates, LLC, consulting with programs of psychosocial rehabilitation and horticultural therapy in the United States and overseas (Norway, Haiti, and Australia) to promote self-empowerment and progress through informed choices.

 

Laura Rumpf, HTR
Laura is a registered horticultural therapist in Seattle, Washington. She is currently an independent contractor working in adult group homes for those with dementia. Laura is in collaboration with the Seattle Parks & Recreation Department’s Dementia-Friendly program and the University of Washington Memory & Brain Wellness Center. She has contracted with the Brain Injury Alliance of WA state and Neighborcare Health. Laura received her certificate in horticultural therapy from the Horticultural Therapy Institute.

 

Richard Slayton, RLA, ASLA, EDAC
Richard is a licensed landscape architect. He integrates biophilic design in healthcare and senior living environments throughout the United States. One of his most rewarding accomplishments is designing a one-acre healing garden in collaboration with St. Mary’s Foundation at SSM-Health St. Mary’s Hospital in Janesville, Wisconsin. Richard just began a year-long commitment with the Center for Community Land Trust Innovation and a Hmong group to program, design and develop a dementia care garden.

 

Lynn Zeltman, HTR
Lynn has been a registered horticultural therapist since 2017. She earned her Certificate in Horticultural Therapy from Delaware Valley University in 2015 and did her internship at Moss Rehab, a physical medicine, and rehab facility, in 2016.  She is the treasurer for the Northeast Horticultural Therapy Network.  

 

AHTA Past Presidents

  • 2013-2015 MaryAnne McMillan, HTR
  • 2010-2013 Gabriela Harvey, HTR
  • 2007-2010 Lana Dreyfuss, HTR
  • 2002-2007 Nancy Easterling, HTR
  • 1999-2002 Karin Fleming, HTR
  • 1998-1999 Maria Gabaldo, HTR
  • 1996-1998 Martha Straus, HTM
  • 1994-1996 Rebecca Haller, HTM
  • 1992-1994 Gene Rothert, HTR
  • 1989-1992 Nancy Stevenson, HTR
  • 1987-1989 Douglas Airhart, PhD, HTM
  • 1986-1987 Judy Carrier, HTR
  • 1984-1985 T. Kent Titze, HTM
  • 1983-1984 Ken T. Stoutamire, HTM
  • 1980-1983 Merle M. Moore
  • 1979 William Townsley, PhD
  • 1975-1979 Paula Diane Relf, PhD, HTR
  • 1973-1975 Earl Copus