Staff & Student Employees

Arboretum Staff
Mary C. Maloney, Director





B.S. Agriculture, Landscape Horticulture
Ohio State University, Columbus, OH

Certificate in Technical Communication
Rochester Institute of Technology, Rochester, NY

Professional Experience
  • 4th International EcoSummit “Ecological Sustainability—Restoring the Planet’s Ecosystem Services”. Columbus, OH, October 2012.
  • Sponsoring partner garden and planning committee for American Public Gardens Association national convention in Columbus, OH. June 20-23, 2012.
  • Hosted American Public Gardens Association University Gardens Workshop, OSU Chadwick Arboretum. June, 19, 2012.
  • Observed student recruitment presentations from Duke University Admissions Office where campus landscape is venerated and used as a recruiting tool. Durham, NC, March 1, 2012.
  • Met with developers and advisory personnel from Rose Fitzgerald Kennedy Greenway in downtown Boston. Toured garden designed by Adrian Bloom at the Massachusetts Horticulture Society. September 2012.
  • Partners in Community Forestry Annual Meeting, Sacramento, CA. Also met with faculty and staff from UC Davis Arboretum to discuss their process of integrating the arboretum into the greater campus by connecting plant collections and themes to various academic disciplines. November 2012.
  • Penn State University -- an overview of their green roof projects. Also met faculty and development officers who are building an arboretum on campus. College Station, PA. December 2012.
  • Plant Exploration and Importation Symposium sponsored by American Public Gardens Association, Glen Ellen, CA.  August 2011.
Kathy Burkholder, Horticulturist



B.S. Horticulture
Ohio State University, Columbus, OH

M.S. Agriculture Education
Ohio State University, Columbus, OH 

Professional Experience
  • Inniswood Metro Gardens
  • AmeriFlora 92
  • The City of Dublin 
  • Since arriving at OSU in 1999, Kathy has assisted with the state Master Gardener Program and taught labs and classes in ornamental horticulture. 
  • The Ohio State University, Chadwick Arboretum & Learning Gardens 2005-present

Kathy manages the Learning Gardens, which contains the Chadwick Aboretum perennial gardens. Kathy also orders plants for our Spring Plant Sale, manages the tour program,  and organizes the Chadwick Arboretum annual volunteer day-long continuing education program.  Kathy oversees the dedicated group of volunteers and student staff who work diligently throughout the growing season to keep the Learning Gardens as beautiful as possible!

Wendy Bowman, Horticulturist



B.S. Agriculture

Major: Horticulture
Minor: Natural Resources Management
Ohio State University, Columbus, OH


International Society of Arboriculture-- Certified Arborist - 2013

Ohio Department of Agriculture-- Commercial Applicator

Categories: 2B, 5, 6A, 6D, 8, CORE

Professional Experience
  • Luxury Landscapes – Crew Leader (2004-2006)

  • Millcreek Gardens – Assistant Grower (2006-2010)

  • Bridgman Farms – Grower/Farmers Market sales (2010-2013)

  • OSU-FOD Arborist/Groundskeeper 3 (2010-2016)

  • Chadwick Arboretum & Learning Gardens Horticulturist – 2016

Wendy Bowman has a diverse range of horticultural skills and has worked with an array of equipment as an OSU Groundskeeper.  She has a strong passion for working to blend our natural environment with our human need to cultivate and beautify our landscape. This will prove to be an immense asset in the arboretum.  When Wendy was an undergrad in horticulture she was a Chadwick Arboretum student employee that started off as a volunteer, giving her a strong understanding of the arboretum’s operations.  


Christina Voise, GIS (Geographical Information Science)
and Accessions Specialist





B.S  Geology
Wright State University

M.S. Geology
Wright State University

GIS Certificate
Columbus State Community College

Professional Experience

Chris is a jack of all trades having worked as:

  • geologist
  • laboratory and computer technician
  • park ranger

Currently as a GIS & Accessions Specialist, Chris manages the woody plants collection at Chadwick Arboretum and is mapping trees on the OSU campus. Chris says, "Chadwick is, hands down, the best place I have ever worked. We do a lot with a little and we have amazing volunteers and staff."

Chris is working toward a PhD in wildlife ecology. She serves as volunteer Editor of the Delaware County Bird Club Newsletter and volunteer Publicity Director for the Ohio Gourd Society.

Trish Clark, Program Manager


  • BA from the Ohio State University 1997
Professional experience:
  • Designed, planted and maintained rooftop garden at The Crest Gastropub and their team received the Green Spotlight Award from the City of Columbus.
  • Trish was the Director of education at Local Matters and created Growing Matters an educational program teaching children through adults how to grow, cook, and eat their own healthy foods.
  • Involved in planning, implementing and providing education for over 220 gardens throughout central Ohio.
  • Trish created an award winning program for teens that trains and provides jobs through the Godman Guild.
  • Boardmember of the Clintonville Farmers Market.


Carrying with her 25 years of gardening and 15 years of community organizing experience. Trish created an award winning community gardening program to train & provide jobs to teens. She is the former Director of Education at Local Matters. Trish helped to create Growing Matters, which is a program dedicated to educating the community about how to grow, harvest, and cook their own food. Having designed everything from container gardens to 1acre food production farms, Trish has been involved in planning, implementing and providing education for over 220 gardens throughout Central Ohio over the years.

Trish designed, installed & maintained the first rooftop food production garden in our city at The Crest Gastropub, collaborated to create a local foods growing & sourcing plan & won the "Green Spotlight Award" from the City of Columbus for this restaurant project.

She continues to utilize asset-based community organizing, mentoring, group planning, garden design, installation & educational workshops, photography & marketing strategies for her new family business, Pollination. She enjoys community gardening, art, photography, music & life with her partner, 4 children, grandchild & friends.

Student Employees

Anna Brown

Sean Camilleri

Nick Gulish

Amanda Jones

Brandon Napierala