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Board of Directors

Anne Brockett – architectural historian with DC Historic Preservation Office; master’s degree in historic preservation

Vice President
Christopher Maines – senior conservation scientist at National Gallery of Art; doctorate in physical chemistry; resident of National Park Seminary

Ann Hall – registered dietitian with USDA; major in US Army Reserves; resident of National Park Seminary

Don Hall – retired Army colonel; doctorate in engineering and master’s degree in American history; resident of National Park Seminary


Cassandra Ashman – contract/finance specialist; degree in history and anthropology

Pat Crawford – university administrative staff member; resident of National Park Seminary

Patti Horrall – staff attorney with the Federal government; former board member of NPS master homeowners association; resident of National Park Seminary

Linda Lyons – immediate past president of SOS; preservation chair of Art Deco Society of Washington; former president of local chapter of Society of Architectural Historians

Erin Mielke – senior reproductive health advisor at USAID; resident of National Park Seminary

Virginia (Ginger) Nuessle – retired executive of aging services organization; daughter and niece of NPS graduates; resident of National Park Seminary

Eugene Rich – health policy researcher; internal medicine physician; resident of National Park Seminary

Frank Riley – paralegal working with nonprofit organizations; JD and bachelor’s degree in philosophy

Executive Director
Bonnie Rosenthal – former board member of SOS; former property manager for developer of National Park Seminary; former administrative staff member at National Trust for Historic Preservation and DC Preservation League




Christopher Maines, Chair
Collects, preserves and manages historical materials and artifacts related to the National Park Seminary site and makes them available to the public through displays, publications, lectures, and tours.

Bonnie Rosenthal, Chair
Develops and coordinates all forms of communications to further the SOS mission and promote activities, and engages and connects with members and the public through various forms of media.

Development and Membership
Ginger Nuessle, Chair
Develops and implements strategies to ensure financial viability of SOS through fundraising, relationship building and member development.

Anne Brockett, Chair
Communicates the history of National Park Seminary through public guided tours, private group tours and presentations, lecture programs, publications and related special events.

Linda Lyons, Chair
Conserves, restores and helps maintain the sculpture at National Park Seminary, and educates the community and the public about its artistic and cultural heritage.


All SOS members can be considered for membership on a committee.  If you are interested in being considered, please contact us and let us know what committee interests you.