Blog : Leadership Team

Kristy Park

Kristy Park


Senior Vice President

Kristy Park provides business development support and strategic counsel for clients. She brings valuable insight on policy, program and legislative issues having worked in both the executive and legislative branches of the U.S. government. She is also an expert on the Federal budget and has a keen understanding of how funding issues drive policies.

Prior to joining the Jefferson Consulting Group, Ms. Park served as a Professional Staff Member for the Committee on Veterans’ Affairs of the U.S. House of Representatives. In this role, she helped to develop and implement the Chairman’s legislative and oversight agenda for the Department of Veterans Affairs’ health care system. She also advised the Chairman on a wide-range of veterans’ health care issues and provided recommendations on budgetary matters.

Ms. Park began her career in the Federal government with the White House’s Office of Management and Budget (OMB). During her tenure, she worked for the Health and Human Services Branch and the Income Maintenance Branch where she had oversight over numerous health and welfare programs of the U.S. Department of Health and Human Services (HHS). She provided budgetary, policy, legislative, and regulatory analysis for the programs under her purview and received two Special Achievement Awards for her efforts.

Before joining the Federal government, Ms. Park worked for a non-profit organization to reduce the health disparities in the Bronx through a grant from the Centers for Disease Control and Prevention (CDC). She also taught middle school mathematics in New York City as a member of Teach for America, an organization which aims to eliminate educational inequities and the achievement gap in urban and rural schools.

Ms. Park has a master’s degree in public administration with a specialization in health policy from NYU and a bachelor’s degree in biology from Rutgers University.

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.