U.S. Botanic Garden - Employee Directory

A team of approximately 65 employees work at the U.S. Botanic Garden in four divisions: Administration, Learning and Engagement, Horticulture and Operations. To contact an employee, please use the Contact Form.


Susan Pell, Ph.D. Executive Director
Devin Dotson Public Affairs Specialist
Suzanne Mead Administrative Officer
Ray Mims Partnerships and Sustainability Specialist
Nick Nelson Landscape Architect
Terry Nicholls Safety Manager


Jim Adams Horticulture Manager
Frank Brooks Supervisory Horticulturalist
Wallace Reed Supervisor, Collections Section
Angela Weber-Hetrick Supervisor, Gardens and Grounds Section
Kyle Wallick Botanist

Learning and Engagement

Amy Bolton Learning and Engagement Manager
Elizabeth Barton Volunteer Coordinator
Lee Coykendall Senior Education Specialist
Theresa Dahlman Visual Information Specialist
Maura Nelson Education Specialist, Accessibility
Libby Rhoads Learning and Engagement Supervisor


Patrick Andriuk Capital Projects and Facilities Manager