Maggie Redfern, Connecticut College Arboretum Assistant Director

Maggie Redfern

Interim Director

Maggie joined the Arboretum staff in November 2014. Her primary responsibility is to coordinate the design and implementation of education programs for the College and community. She also leads tours, teaches classes and oversees the volunteer program.

Maggie brings several years of experience in the field of visitor services from the Arnold Arboretum to this position. She also managed a successful grant application and traveling exhibition entitled Palaces for the People: Guastavino and the Art of Structural Tile. Guastavino vaulted ceilings can be found in the entryways of Plant, Blackstone and Branford Houses.

Maggie received a certificate in landscape preservation from the Landscape Institute of the Boston Architectural College and a bachelor of architecture from California Polytechnic State University, San Luis Obispo.

Glenn Dreyer, Arboretum Director

Glenn D. Dreyer

Charles and Sarah P. Becker ’27 Arboretum Director Emeritus

Glenn served as the first full time Arboretum director from 1988 to 2018. He oversaw all department functions including planning, land management, public education, collection curation, research, and fundraising. Mr. Dreyer reported to the Provost/Dean of the Faculty, and worked closely with faculty and students to facilitate the use of the Arboretum as an academic resource.

Glenn Dreyer began working for the Arboretum in a landscape maintenance capacity while still a graduate student in 1982. The next year he became Assistant Arboretum Director under William A. Niering. In 1988, he was appointed to the position of Arboretum Director. Mr. Dreyer was also an adjunct professor of botany and the executive director of the Goodwin-Niering Center for the Environment. His professional and research interests are at the interface between ecology and horticulture, and he conducts research in vegetation management, invasive plants, plant community ecology and urban forestry. He is the author of the books:Connecticut’s Notable TreesandGreening Connecticut’s Cities and Towns: Managing Public Trees and Community Forests, in addition to many professional and popular articles.

photograph of Mary Villa

Mary Villa

Curator/ Information Resource Manager

Mary joined the Arboretum staff in July 2004 in the new position of curator/ information resource manager. Her duties include conducting inventories, evaluating plants and keeping maps and plant records up-to-date. She also manages the accessions database and the Arboretum library of books, periodicals, plans and images.

Mary received a Bachelor of Science from the University of Connecticut with a major in landscape architecture. Her prior work experience includes landscape design and municipal planning. Mary's interests include travel and visiting arboreta and botanical gardens.

Leigh Knuttel, Arboretum Horticulturist

Leigh S. Knuttel


Leigh joined the Arboretum staff as the horticulturist in 2008, and is responsible for the day-to-day operations and maintenance of the Arboretum and the greenhouse. She also works with the Botany Department faculty and supervises the horticultural staff and student workers. Leigh attended Connecticut College with a major in botany and brings 30 years of experience in the field of horticulture to this position. Her past work includes growing of specialty annuals, perennials and woody ornamental plants, and more recently, grounds and garden design and maintenance and garden writing have been areas of primary focus. During her spare time, Leigh does community volunteer work. She also enjoys reading and going on sailing adventures with her family. 

Senior Groundsperson

Bryan Goulet

Senior Groundsperson

Bryan Goulet joined the Arboretum staff in March 2005 as an Arboretum groundsperson, transferring from the Facilities Management Department of the College where he had worked since 1999. He received his degree in Arboriculture from the University of Massachusetts in 1981, bringing with him a valuable background in tree care. Bryan and his wife Christie enjoy motorcycling, traveling and hiking. He has one grown daughter, Chelsea.

kraig clark, arboretum

Kraig Clark


Kraig joined the Arboretum staff in November 2013. Previously, Kraig worked in the Facilities Management Department as a groundskeeper. His background in residential and commercial lawn care and maintenance is extensive due to his time spent working for his family business in the lawn care industry. In his spare time Kraig enjoys fishing, kayaking and spending time with his family and friends, including his dog Bridget, an Australian Sheperd.

Christine Donovan, Connecticut College Arboretum

Christine Donovan

Administrative Assistant

Christine joined the Arboretum staff in June 2014 and is responsible for the day-to-day operations in the office as well as marketing and promotion of events. She also manages all of the social media channels including Facebook, Twitter and Instagram. She has a bachelor's degree in English and a master's degree in print and multimedia journalism.