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University of Maryland
Arboretum and Botanical Garden Staff


John Farley

Interim Associate Vice President
Facilities Management


Harry A. Teabout, III

Executive Director
Building and Landscape Maintenance

William Monan

Associate Director
Landscape Services and Arboretum & Botanical Garden


Karen Petroff

Assistant Director
Arboretum/Horticultural Services


Luis Alfonzo

Horticulturist Landscape Enhancement

Sam Bahr

Horticulturist – Arboretum/Horticultural Services

Tom Bryant

Assistant Manager Landscape Enhancement

Michael Carmichael

Coordinator SWM Facilities Maintenance

Carin Celebuski

Coordinator Arboretum Volunteers

Taylor Keen

Coordinator GIS Specialist

Jeff Weiser

Horticulturist – Clarice Smith Performing Arts Center

Tree Walk