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MJ Sivulich

MJ Sivulich


Vice President

MJ Sivulich provides clients with federal business development support and advises clients on a range of legislative and regulatory issues.

Before joining Jefferson, Ms. Sivulich was a Director with Thompson Advisory Group where she worked with clients to develop and implement strong legislative and regulatory agendas and provided clients assistance with federal marking and business development activities.  Ms. Sivulich has also worked for Teledyne Brown Engineering as their Legislative Director.  In that capacity, she worked to secure support and additional business for the company through federal appropriation and handled various legislative initiatives for the company.

Prior to her work for the private sector, Ms. Sivulich served on the staff of two Blue Dog Democrats in the House of Representatives.  While on the staff of Congressman Bud Cramer, a former member of the Appropriations Committee from Alabama, Ms. Sivulich advised the Congressman on telecommunications, information technology, labor, federal employees and veterans’ affairs issues.  Ms. Sivulich also advised on appropriations, focused primarily on the Federal Communications Commission and the Department of Veterans Affairs.  Ms. Sivulich also served on the staff of Congresswoman Pat Danner.

Ms. Sivulich received a Bachelor of Arts degree from the University of the South.

Karen O’Brien

Karen O’Brien


General Counsel

Karen O’Brien is General Counsel to Jefferson Consulting Group. In this role she is responsible for all legal matters for the company. Prior to joining Jefferson in 2005, Ms. O’Brien was with the firm of McCarthy, Sweeney and Harkaway, P.C. where she practiced in the area of government contract law, including contract administration matters, claims, disputes and bid protests. Prior to that, Ms. O’Brien managed the Government Contracts publications program of the George Washington University Law School. Ms. O’Brien began her career as a procurement law attorney in the Army Judge Advocate General’s Corps.

Ms. O’Brien received a Juris Doctor from the Vermont Law School and a bachelor’s degree in accounting from Niagara University.