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Daniel E. Toomey

Of Counsel

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Dan, a trial lawyer with a particular focus on construction, government contracts and white collar criminal litigation, has been representing owners, general contractors, subcontractors, suppliers, design professionals and sureties for more than 40 years in at least 23 states, from coast to coast including Alaska and Florida, before arbitration panels nationwide as well as internationally. He has also handled matters before the U.S. Court of Federal Claims, the Government Accountability Office, and numerous Boards of Contract Appeals. Dan has arbitrated construction disputes and is a trained mediator with more than 20 years' experience in ADR, both as a mediator and as counsel. He is regularly appointed by the U.S. District Court for the District of Columbia to mediate disputes. In addition, since 2009, he has been a mediator and arbitrator with the Mid-Atlantic ADR organization, The McCammon Group.

As a former Assistant U.S. Attorney for the District of Columbia, he has handled and tried numerous white-collar criminal matters. For more than 40 years, he has been involved in the teaching of trial advocacy, both as the founder and team leader of the Georgetown/NITA Trial Advocacy Program and until 2016, as the Co-Program Director of the DC NITA Advanced Trial Advocacy Program.

Since 2009, Chambers USA: America's Leading Lawyers for Business has included Dan in its listing of leading construction lawyers in the District of Columbia.

In November 2016, Dan concluded his twelfth and final stint as Co-Program Director of the National Institute of Trial Advocacy's D.C. Advanced Trial Advocacy Program, held at the U.S. District Court for the District of Columbia. That program awarded Dan it's Daniel G. Grove Award for oustanding service in 2017. Earlier, in 2013, Dan was awarded NITA’s Robert Oliphant Award for distinguished service to that organization.

A Fellow of the American College of Trial Lawyers since 2000 (limited to one-percent of the nation’s bar), Dan is admitted to practice in the District of Columbia, Virginia and Maryland and numerous federal districts and courts of appeal. In 2017, Dan was invited to become a Fellow of the Construction Lawyers Society of America. He is a graduate of Georgetown University Law Center, where he was an adjunct professor, teaching Construction Law and Criminal Trial Practice for almost 20 years. In 2007, he was honored by the Law Center with the Dean Paul R. Dean award for his numerous contributions to his alma mater.


Practice Areas


  • Georgetown University Law Center, J.D., 1967
    • Founder, Dormitory Prefects' Scholarship
    • 2007 Recipient of Paul R. Dean Award for Service of Georgetown
  • St. Peter's College, B.A., 1964
    • Cross Keys Honor Society for academics, extra-curricular and captain of cross-country and track teams, 1964

Bar Admissions

  • Maryland
  • District of Columbia
  • Virginia
  • Supreme Court of the United States