Academy Member

Map & Directions
Download PDF
Nancy F. Lesser, Mediator & Arbitrator, Washington, District of Columbia.

Nancy F. Lesser

Diplomate member
2101 L Street, NW
Suite 800
Washington, DC, 20037
Tel: (202) 775-8100
Fax: (202) 318-0203
Send Email
Recognized for Mediation & Arbitration

Regularly travels out of state to: Maryland, New York, Virginia

Other ADR Services: Discovery Referee, Early Neutral Evaluation, Fact Finding, Med-Arb, Mini-Trial Judge
Video Conferencing
  • Practice Commenced: 1994
  • Total Mediations (as of Nov 2020): 1000
  • Total Arbitrations (as of Nov 2020): 300
Practice Percentages


Nancy Lesser is the principal of Pax ADR, an alternative dispute resolution firm headquartered in Washington D.C. Ms. Lesser offers mediation and arbitration services to individuals, not-for-profits, corporations, and government agencies. She also conducts independent fact-finding and internal investigations.

Ms. Lesser brings to her conflict resolution practice skills honed over two decades as a trial and appellate lawyer with the distinguished law firm of Williams & Connolly, where she specialized in complex commercial and employment cases. Ms. Lesser also served as Senior Counsel to the Secretary of the U.S. Department of Housing and Urban Development, gaining expertise in government processes and decision-making -- invaluable experience when a dispute involves a governmental agency. She has mediated successfully with the Department of Justice, the Securities and Exchange Commission, the U.S. Office of Personnel Management, the U.S. General Services Administration, the Federal Deposit Insurance Corporation, the District of Columbia, and the City of New Orleans.

Case Experience

  • ADA Disability
  • Appellate
  • Aviation
  • Banking & Finance
  • Civil Rights
  • Class Actions
  • Commercial/Business
  • Construction
  • Consumer Fraud
  • Contract Disputes
  • EEOC
  • Eminent Domain
  • Employment
  • Energy Sector (Oil/Gas)
  • Family Businesses
  • Insurance
  • Intellectual Property
  • International
  • Legal Malpractice
  • Libel & Slander
  • Local Govt./Municipalities
  • Media & Communications
  • Medical Malpractice
  • Mergers & Acquisitions
  • Partnerships
  • Pensions
  • Personal Injury
  • Pharmaceuticals
  • Premises Liability
  • Product Liability
  • Professional Fees
  • Professional Liability
  • Professional Malpractice
  • Professional Negligence
  • Property Damage
  • Public Policy
  • Railroad & Trucking
  • Real Estate
  • Securities
  • Shareholder Disputes
  • Software
  • Technology
  • Torts
  • Trademarks/Patents
  • Unfair Competition
  • Utilities
  • Wage & Hour/FMLA
  • Wrongful Death


Ms. Lesser holds a J.D. degree from the Georgetown University Law Center (magna cum laude 1981) and a Masters Degree in Urban and Environmental Planning from the University of Virginia (2000). She graduated summa cum laude from the City College of the City University of New York ( B.A. 1975).

Memberships & Affiliations

  • Large Complex Case Arbitration and Mediation Panels, American Arbitration Association:
  • Commercial, Employment, and Banking, Accounting and Financial Services Panels, CPR Institute for Dispute Resolution:
  • Arbitrator and Mediator, American Health Lawyers Association
  • Mediator Roster, National Association of Securities Dealers
  • Panelist, Copyright Arbitration Royalty Panel, Library of Congress
  • Chair, Amtrak National Arbitration Panel, which adjudicates disputes arising between Amtrak and freight railroads nationwide
  • Panel of Neutrals, U.S. District and Bankruptcy Courts for the District of Columbia and the United States Court of Appeals for the District of Columbia
  • Panel of Neutrals, U.S. Bankruptcy Court for the District of Maryland
  • Certified Mediator, International Mediation Institute (profile and evaluations may be viewed at
  • Fellow, College of Commercial Arbitrators:
  • :

Rates Information

Please call for details: 202-775-8100.

Academy Members Only