The Livingston Group, L.L.C.

George P. Sigalos


Career Summary

  • Haliburton KBR, head of government relations
  • Contract Services Association of America of Washington, DC, Counsel to the President and Director of Public Affairs
  • US House Committee on Ways and Means, Counsel and Director of Communications for the Vice-Chairman
  • US Court of Appeals, First Circuit, Law Clerk


  • Suffolk University Law School, Juris Doctorate
  • American University, Bachelor of Arts
  • Notable Alum, American University’s AMERICAN magazine
  • Harvard Law School, Program on Negotiation
  • Moot Court Constitutional Law Appellate Team, Suffolk Law School

Practice Areas

  • Defense/Technologies and Homeland Security
  • Financial Services and Tax

Contact Information

George P. Sigalos joined The Livingston Group with significant experience in both the private and public sector. This highly trained attorney and communications professional now serves as a lobbyist and advisor in Washington, DC.

As the former head of government relations for Halliburton – KBR, Mr. Sigalos served as the firm’s political liaison with the US and foreign governments, acting in a strategic role to help guide the company’s national and international posture in the legislative and political arenas. Mr. Sigalos maintained an active rapport with the US Congress and executive agencies, with ambassadors, diplomatic corps, and other leaders of foreign governments. He also served as the primary liaison to think-tanks, associations, universities and other non-governmental institutions for government affairs related issues.

Mr. Sigalos is the former Counsel to the President and Director of Public Affairs for the former federal contractor organization, Contract Services Association of America of Washington, DC, which represented more than 500 companies doing business in the US federal and international marketplaces.

Prior to that, he served as Counsel and Director of Communications for the Vice-Chairman of the Ways & Means Committee in the US House of Representatives. There, he worked in a senior caucus capacity and participated in numerous leadership meetings of the US Congress. His previous federal experience includes serving as an extern law clerk for the United States Court of Appeals for the First Circuit and in press affairs for three members of the presidential cabinet during the Ronald Reagan and George H.W. Bush Administrations.

Mr. Sigalos earned a Bachelor of Arts from American University in Washington, DC, and a Juris Doctorate from Suffolk University Law School in Boston, Massachusetts. He also served on the Moot Court Constitutional Law Appellate Team at Suffolk Law School and participated in the Program on Negotiation at Harvard Law School.

Among his many accomplishments, he is the recipient of the Albert Schweitzer Corporate Citizen Award from the Hugh O’Brian Youth Leadership (HOBY) organization, and was chosen as Notable Alum by American University’s AMERICAN magazine in 2007. He has also participated on numerous board and entities, has spoken at many national and international forums, holds a considerable published portfolio, and has appeared on numerous national and international broadcast media.