Staff & Board


The Cliveden Staff and Board of Directors are always interested in your feedback and here to help if you need any information or have any questions.

Mailing Address & Contact Information

Cliveden of the National Trust, Inc. 

6401 Germantown Avenue, Philadelphia, PA 19144 

(P): 215-848-1777


Staff Members

Caroline Boyce Interim Executive Director

Libbie Hawes Preservation Director

Carolyn Wallace Education Director

Mackenzie Warren  Development Coordinator

Jocelyn Rouse Communications Coordinator

Lanette Mackie Facilities Custodian


Board of Directors

Board Chair: Theodore Reed, Reed Group

Treasurer: Brenda Beiser, Real Estate

Secretary: Elisabeth Shellenberger, President Emeritus Historic Germantown

Glenn Bergman: Philabundance

Mary Werner DeNadai: John Milner Architects, Inc.

Darryl J. Ford: William Penn Charter School

Ellen Gilberti: Theater

Kate Hanssen: Germantown Friends School

Garth Herrick: Artist

Alan Keiser: Commonwealth Land Title Insurance Company

Violette Levy: 3xM Properties Group, LLC

Robert MacDonnell: Care Technology Solutions, LLC

Katherine Malone-France: National Trust for Historic Preservation

Josh McIlvain: Actor & Director

Randall Miller: St. Joseph’s University

Ahsan Nasratulla: JNA Capital, Inc. & Global City Regional Center, LLC

Conrad Person: Johnson & Johnson

Brad Roeder: John Milner Architects, Inc.  

Susan Roberts: Landscape Design


Cliveden is supported by the following organizations: