Our Staff



Lawrie Parker, Executive Director and Certified Mediator/Mentor/Trainer:  Mediating with PDRC since 1990

Career Background: Founder and Executive Director of PDRC (since 1990); current member of the Supreme Court of Virginia Dispute Resolution Advisory Council, including Mediator Complaint Panel and Ethics Committee; a founder and Board member of the Restorative Justice Association of Virginia.

Educational Background: B.A. Journalism, University of Michigan; MBA, University of Mary Washington, VA


Susan Lease-Trevathan, Services Director and Certified Mediator/Mentor: Mediating with PDRC since 1998

Career Background:  Former economist for the U.S. Department of Commerce.

Educational Background: B.A. Economics, State University of New York


Marlene Hahn, Services Director and Certified Mediator/Mentor: Mediating with PDRC since 2008; RJ Facilitator since 2008

Career Background:  Divorce Attorney; former real estate broker/business owner and speech therapist.

Educational Background: B.S, CA State College, PA; MS, Purdue; JD, George Washington University, DC


Meryem Grammick, Services Director and Certified Mediator/Mentor/Trainer: Mediating with PDRC since 2012. RJ Facilitator since 2011.

Career Background: Former business owner of online retail store and video production facility. Taught Turkish Language for US Startalk Program.

Educational Background: BA Psychology, George Mason University, VA


Lisa Kearney Owens, Administrative Assistant

Career Background: Former court reporter for Fauquier County and surrounding areas.

Educational Background: BS Biology, University of Virginia