Heather S. Deane

Managing Partner

District of ColumbiaMarylandVirginia


Washington DC

1233 20th Street NW 8th Floor

Washington, DC 20036

Virginia - Virginia Beach

484 Viking Drive Suite 151

Virginia Beach, VA 23452

Virginia - Richmond

1108 E. Main Street Suite 801

Richmond, VA 23219

Virginia - Fairfax

10511 Judicial Drive

Fairfax, VA 22032

Practice Areas

Class Actions, Collective Actions, and Mass Torts




Premises Liability

Product Liability

Professional Liability



Heather is the firm's Managing Partner and is based in the Washington, D.C. office. Heather has over 25 years of experience litigating cases in both state and federal courts. Heather has successfully represented businesses and individuals in class action matters and in disputes involving construction/design defects, construction related accidents, environmental claims, products liability, toxic torts, premises liability, commercial trucking and transportation, automobile claims, intentional torts, and general negligence matters.

Prior to joining Kiernan Trebach LLP, Heather worked for the Commonwealth Attorneys’ Office of Fairfax County, Virginia prosecuting criminal cases. This experience gave her a solid background in trial advocacy, allowing her to try hundreds of bench trials and more than fifty jury trials.

Court Admissions

  • District of Columbia
  • Maryland
  • Virginia
  • U.S. Court of Appeals for the Fourth Circuit
  • U.S. District Court for the District of Columbia
  • U.S. District Court for the District of Maryland
  • U.S. District Court for the Eastern District of Virginia
  • U.S. District Court for the Western District of Virginia


  • The American University Washington College of Law, J.D. 1997
  • The Pennsylvania State University, B.A., 1994

Professional & Community Affiliations

  • Maryland State Bar Association
  • CLM