Brian Kane
Arboretum Committee Chair
Dr. Brian Kane

 ISA Certified Arborist, TRAQ (Tree Risk Assessment Qualification) , Massachusetts Arborists Association, Professor UMass Amherst

As co-chair of the arboretum committee, and the Massachusetts Arborists Association Professor of Commercial Arboriculture, Brian is a central figure in our campus tree community. Brian has been climbing trees as long as he can remember, a passion that has stuck with him throughout his life as, today, he is a notable contributor to the field of arboricultural research. Arboricultural biomechanics and safe tree work practices are Brian's research focus. With the help of his students, Brian investigates how various arboricultural techniques impact tree stability, sway response, and tree failure. Brian is the instructor for a suite of arboriculture courses in the department of Environmental Conservation including Arboricultural Field Techniques and Trees and Sustainability. As co-chair of the arboretum committee Brian is a decisive leader who is highly committed to the mission of the Waugh Arboretum.
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Michael Davidsohn
Arboretum Committee Chair
Michael Davidsohn

Senior Lecturer II,  MALP, MCLP, NALP, Landscape Contracting Program Coordinator

Mike is co-chair of the arboretum committee, coordinator of the Stockbridge School of Agriculture Landscape Contracting Program, and is a Senior Lecturer II of Landscape Architecture. He has his Massachusetts Certified Landscape Professional (MCLP) certification from the MA Association of Landscape Professionals (MALP). When he's not teaching residential design to students in the landscape architecture master's program, or construction materials to his landscape contracting students, you might be able to find Mike in Durfee Gardens re-designing an entry sequence or demonstrating a proper tree planting.
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jack ahern
Arboretum Committee Member
Jack Ahern

Professor Emeritus of Landscape Architecture

Professor Jack Ahern, FASLA retired at the end of the Spring 2020 semester after 34 years in Landscape Architecture and Regional Planning (LARP) department at the University of Massachusetts Amherst. Jack was the very model of a modern landscape architect, rooted in sustainable design with a passion for plants, landscape ecology, greenway planning, and ecosystem services. He had a positive influence on the thousands of students who took his classes and the ones whom he mentored. There are so many aspects of the landscape architecture program that bear his imprint that it’s impossible to innumerate them all.
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Mike Amato
Arboretum Committee Member
Michael Amato

Graduate Assistant 

Michael is a graduate student in the Department of Landscape Architecture and Regional Planning. As a graduate assistant for Physical Plant, Michael is responsible for updating the GIS tree data layer, managing the arboretum social media, acquiring plant material to expand the biodiversity of the arboretum, and coordinating arboretum events like interpretive walking tours and giveaways. Michael has used his background in graphics and photography to enhance the Waugh Arboretum's public facing platforms and increase community engagement. In collaboration with Stella Dee, Michael created the Waugh Arboretum Storymap in 2022. You can keep up with his work documenting plants in the landscape by following the arboretum Instagram account @umassarboretum.
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Kristina Bezanson
Arboretum Committee Member
Kristina Bezanson

ISA BCMA®, Municipal Specialist®, TRAQ, MCA, MQTW

Kristina Bezanson, certified arborist and coordinator of the Stockbridge Arboriculture associate degree program, received the 2023 Ryan Award given by the International Society of Arboriculture’s (ISA) New England chapter for outstanding service in advancing the field of arboriculture. She is an ISA Board master certified arborist and qualified tree risk assessor. She serves as vice president and president-elect of New England ISA and is a member of the ISA Student and Early Career Committee. Kristina is also the professor-in-charge of internships for arboriculture majors.
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annaliese bischoff
Arboretum Committee Member
Annaliese Bischoff

Professor Emerita of Landscape Architecture

Annaliese received a bachelor’s degree in art from Brown University and a master’s in landscape architecture from the State University of New York College of Environmental Science and Forestry. She began her academic career at Kansas State University, where Waugh had studied a century earlier. She taught for forty years at the University of Massachusetts department that Waugh founded.
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Nicholas J. Brazee
Arboretum Committee Member
Nicholas Brazee, PhD

Extension Plant Pathologist

Nick is an extension plant pathologist in the Center for Agriculture, Food and the Environment, University of Massachusetts, Amherst. He directs the UMass Plant Diagnostic Laboratory and conducts applied research in urban forestry. His research focuses on wood-rotting fungal pathogens of trees in urban and suburban settings.

The UMass Plant Diagnostic Lab diagnoses plant material samples from homeowners, farmers, arborists, tree nurseries, greenhouse producers, landscape contractors, and turf managers among others. The lab's diagnostic reports identify the pests or fungus present and recommend management strategies backed up by scientific research.
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Todd Cournoyer
Arboretum Committee Member
Todd Cournoyer

Head of Landscape

As Head of Grounds, Todd plays a vital role in championing our campus trees. When he's not giving his famous tree walks, Todd is responsible for overseeing the stewardship of the entire campus landscape including construction and digsafe operations. Todd has been a member of the UMass community for over thirty years. Under his leadership, many notable trees have been protected and conserved throughout our campus arboretum.
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Stella Dee
Arboretum Committee Member
Stella Dee

PhD Candidate in Environmental Conservation

Stella is a Ph.D. candidate in Environmental Conservation with a focus in Arboriculture and a research assistant with the Facilities & Campus Services Departments. Stella is responsible for managing the arboretum's GIS tree data layer. In 2022, Stella was awarded a TreeFund Hyland R. Johns Grant to research the mechanical and physiological effects of pruning tree. She is also the 2022 NE-ISA Women's Tree Climbing Champion. In collaboration with Michael Amato, she created the Waugh Arboretum Storymap. On Arbor Day, an annual campus event in April, you may find Stella up a tree demonstrating proper tree climbing techniques to our campus community.
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Tim Mercer
Arboretum Committee Member
Tim Mercer

Campus Nursery Head Grower

As Head Grower for the arboretum, Tim oversees the tree nursery at Tilson Farm Road at the eastern edge of campus. Tim is a passionate horticulturalist who is devoted to native plants, specifically local ecotypes native to the Western Massachusetts region. The annual seedling giveaway of native tree species that occurs in the spring would not be possible without Tim's knowledge and dedication. Under his direction, the nursery has produced thousands of seedlings that have been given away to students, faculty, and community members over the course of the past decade.
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Pamela Monn
Arboretum Committee Member
Pam Monn

Associate Director for Custodial and Grounds Services

As Associate Director for Custodial and Grounds Services, Physical Plant, Pam oversees the custodial, grounds, utilities, and building maintenance for 13 million square feet of administrative, academic, and recreational space at our Amherst campus. Pam is a devoted champion of our campus trees, an impassioned leader, and irreplaceable member of the arboretum committee. In 2022, she received the honor of the Chancellor’s Citation Award that recognizes outstanding performance "beyond the call of duty."
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Simon Raine
Arboretum Committee Member
Simon Raine

Senior Planner & University Landscape Architect

Simon Raine is the Senior Planner & University Landscape Architect for UMass Campus Planning. He is responsible for urban design and planning for the UMass 1400-acre campus. Simon is a registered landscape architect and was educated in the United Kingdom, receiving both a Bachelor of Arts and a Graduate Diploma in Landscape Architecture from Leeds Metropolitan University. He also practiced with the Derek Lovejoy Partnership in London.
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Alexander Stepanov
Arboretum Committee Member
Alexander Stepanov

GIS Architect, A&F Administrative Systems

Alexander “Sasha” Stepanov is a GIS Architect for the University's Administration and Finance. Sasha holds a Master of Science in Regional Planning and Ph.D. in Operations Research. He has been working with GIS for over 20 years. Sasha also teaches Spatial Databases and Data Interoperability to UMass graduate students.

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Madelaine Taft-Ferguson
Arboretum Committee Member
Madelaine Taft-Ferguson

GIS Analyst

Madelaine is a GIS analyst responsible for maintaining the campus-wide enterprise GIS system that encompasses our tree data and interactive maps. She facilitates the use of geospatial information by a wide variety of campus users, both internal and public.
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Sean Walker
Arboretum Committee Member
Sean Walker

Grounds Crew Member

Sean is a skilled professional who is always ready to get his hands dirty. Acting as both a member of the arboretum committee and grounds crew, Sean is an invaluable asset to our team. Whether he's operating a tree spade, or overseeing the removal of a hazard tree, Sean has a knack for turning his work into an educational opportunity for students in the landscape contracting associates degree program and wider UMass community.
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Brady Yacek
Arboretum Committee Member
Brady Yacek

Certified Campus Arborist

Brady Yacek is a Massachusetts Certified Arborist (MCA #2337) and an International Society of Arboriculture Arborist (ISA certification #NE-6672A). He is a vital member of the arboretum committee. Brady is responsible for evaluating the health of over 8,000 trees on campus and ensuring they are well cared for. It is also Brady's responsibility to oversee new acquisitions of plant material for class tree plantings and general additions to the arboretum. Brady's research focus is Environmental Science, Forestry and Horticulture.
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