Garden Closed

The United States Botanic Garden (USBG) is temporarily closed to the public to reduce the risk of transmitting COVID-19 coronavirus.

Whenever possible, the USBG will reschedule public programs and events originally scheduled during the closure period. Please monitor the USBG website at for updates to operating status. Many resources can still be accessed online, including educational worksheets and manuals, fact sheets and more, and some of our programs will also be made available online.

U.S. Botanic Garden - Staff Directory

A team of approximately 65 employees work at the U.S. Botanic Garden in four divisions: Administration, Public Programs, Horticulture and Operations.


Saharah Moon Chapotin, Ph.D. Executive Director (202) 225-1110
Susan Pell, Ph.D. Deputy Executive Director (202) 225-1269
Nick Nelson Landscape Architect (202) 226-8680
Ray Mims Partnerships, Sustainability, and Conservation Horticulturist / Specialist (202) 226-4067


Bill McLaughlin Plant Curator (202) 438-7067
Jim Adams Horticulture Manager (202) 695-5232
Frank Brooks Supervisory Horticulturalist
Jim Willmott Plant Health Coordinator
Kyle Wallick Botanist (202) 226-5882

Public Programs

Laura Anthony Congressional Events (202) 226-7674
Elizabeth Barton Volunteer Coordinator (202) 226-8066
Lee Coykendall Children's Education Specialist (202) 226-1117
Theresa Dahlman Visual Information Specialist
Devin Dotson Public Affairs and Exhibits Specialist (202) 226-4145
Maura Nelson Education Specialist, Accessibility (202) 226-1047
Libby Rhoads Public Programs Supervisor (202) 226-8038
Alexandra Torres Education Specialist (202) 226-2435