Marion F. Werkheiser

FOUNDING PARTNER 703.489.6059 direct

Firm co-founder and chief executive Marion Forsyth Werkheiser is an award-winning lawyer with a distinctive ability to convene diverse stakeholders to work together to solve tough problems and to scale solutions.

Marion’s practice focuses at the intersection of development and preservation. She advocates for increased support for the national historic preservation program at the federal level, including common sense improvements to make the federal process established in Section 106 of the National Historic Preservation Act more efficient and effective. Marion also helps clients navigate the Section 106 process at the project level, and she has advised project proponents, tribes, and other consulting parties to achieve creative, win-win outcomes that appropriately balance preservation values and development. Marion works with stakeholders from all sectors to develop more informed, pro-active risk management practices that take into account adverse effects on historic places.

In 2014, the Register of Professional Archaeologists honored Marion with the John F. Seiberling Award for her significant and sustained efforts in the conservation of archaeological resources.

Marion’s practice also concerns the international trade in art and antiquities, and she has counseled foreign governments, advocacy organizations, and individuals on UNESCO conventions and U.S. law governing illicit antiquities. She helps clients devise strategies to protect archaeological sites and cultural institutions at risk from looting due to political instability, armed conflict, and exploitation by terrorist groups. She is an expert member of the International Council on Monuments and Sites (ICOMOS) Committee on Legal, Administrative, and Financial Affairs.

Marion also explores the intersection of technology and cultural heritage through her practice. She helps promote technological advances that improve outcomes for heritage at risk, including GIS mapping, predictive modeling, augmented reality, and virtual reality applications. She is interested in ways that cultural heritage can inform the development of artificial intelligence.


Marion visits petroglyphs at Jubbah, Saudi Arabia.

A national leader in cultural heritage law, Marion co-founded the Lawyers’ Committee for Cultural Heritage Preservation and served as its inaugural vice-president. For four years she taught a seminar on international and domestic cultural property law at the College of William and Mary Law School.

Marion has been a political junkie for as long as she can remember. She has run grassroots and candidate political campaigns and maintains excellent relationships with legislators and staffers on Capitol Hill and in state houses across the country. She served as a legal fellow in the office of U.S. Senator Evan Bayh (D-IN).

Marion earned her J.D. from Harvard Law School and is licensed to practice law in California, Virginia, and the District of Columbia. She is a Phi Beta Kappa graduate of Indiana University, where she was a Wells Scholar and earned her B.A. degree in political science and classical civilization with an emphasis in art and archaeology. In 2014, Indiana University honored her with its Outstanding Young Alumni Award. She was honored to spend two weeks at Indiana University in Spring 2017 as a Wells Scholars Program Professor and to co-teach a course in the Department of Anthropology on issues in heritage management.




  • Form and manage Leaders in Energy and Preservation, a nonprofit coalition of energy industry and preservation community leaders devising voluntary practices that manage risk and protect significant historic and cultural sites.
  • Devise and execute government affairs strategy for the Coalition for American Heritage, an advocacy coalition funded by the American Cultural Resources Association, Society for Historical Archaeology, American Anthropological Association, and the Society for American Archaeology.
  • Direct management and growth strategy for the American Cultural Resources Association, the trade association for the cultural resources management industry.
  • Advise real estate developer on engagement with tribes within the National Historic Preservation Act Section 106 review process.
  • Represent consulting party in Section 106 process on efforts to preserve historic bridges impacted by transportation development.
  • Negotiated creative mitigation settlement for the nation’s first offshore wind farm pursuant to Section 106 of the National Historic Preservation Act.
  • Led successful lobbying effort resulting in $26 million in additional Congressional funding for cultural resources compliance on the Navajo-Gallup Water Supply Project.


  • Expert Member, International Council on Monuments and Sites (ICOMOS) Committee on Legal, Administrative and Financial Issues
  • Associate Member, Advisory Council on Underwater Archaeology (ACUA)
  • Board Member, SRI Foundation
  • State Bar of California
  • Virginia State Bar
  • District of Columbia Bar