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Team | Jefferson Consulting

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Chris Gilbert

Chris Gilbert


Director of IT

Chris Gilbert joined Jefferson Consulting Group as Director of IT in August 2008 and is responsible for managing all of Jefferson’s core technologies.  He provides administrative direction along with support for daily operations in regards to planning, maintaining, coordinating and leveraging IT based solutions to improve and transform company optimization while plotting a successful path through an ever changing landscape.

Before joining Jefferson Consulting Group, Mr. Gilbert worked four years as a Technician and Technical Coordinator for MACS.  He has also held the position of Sales Engineer for SBC Global Telecom along with being a Manager and Technician for Apple Inc.

Lynn Gill

Lynn Gill


Director of Human Resources

Lynn Gill is responsible for overseeing all Human Resources related tasks. She is responsible for handling personnel issues, administering benefits, recruitment and onboarding, and orientation. In addition, she also handles management of the performance evaluation process, HR compliance and policies and out-processing. Ms. Gill works closely with Jefferson’s Chief Operating Officer and other members of the Operations Team.

Before joining Jefferson Consulting Group, Ms. Gill worked as a contractor in the Human Capital Development Branch of the Programming and Resources Division, Secretary of the Air Force, International Affairs, Washington, DC for five years. She also worked for over 11 years at the Academy for Educational Development in Washington, DC in various positions in the Human Resources Department. In her last four years at AED, she served as the Associate Director for Corporate Training.

Ms. Gill holds a Bachelor’s of Arts, International Relations, from American University, Washington, DC and holds a Professional in Human Resources (PHR) certification.

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.

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.

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.

Angela McNamara

Angela McNamara


Vice President


As a Vice President of Jefferson Consulting Group, Angela McNamara provides clients with expertise in federal government acquisition and policy and assistance in implementing business strategies that result in successful partnerships between government and industry.

Ms. McNamara provides strategic advice and counsel to private sector firms doing business with the federal government, assisting them in their business development both strategically and tactically. She assists in positioning an organization’s goals with government decision makers, identifying favorable legislative and regulatory strategies, recommending and facilitating successful teaming and/or contracting-out decisions, and developing winning technical and price proposals.

She leverages her experience and expertise with the private sector to assist federal agencies in their transition to performance-based organizations. Ms. McNamara provides strategic change management services and acquisition reform advice, counsel and training to many federal departments and agencies, working with cross-functional teams to review existing contracts, define new requirements, establish meaningful metrics, and develop performance-based strategies and solicitations. She also teaches Jefferson Solutions’ highly successful performance-based acquisition course.

Prior to joining the firm in 1992, Ms. McNamara was with the Air Force Association where her responsibilities included facilitating the process of developing the Association’s policy and legislative initiatives for all manpower and personnel issues of the active force, Reserve and Guard, civilian force, and retirees. As Chief of Manpower and Personnel, issues under her charge included compensation and incentives, force structure management, and benefits such as retirement and health care. In addition to supporting and developing policy and legislative initiatives, she was responsible for regular communications with the Association’s leadership including the board of directors, executive committee, state and chapter leaders; communicating the Association’s positions with congressional members and staff; and working collaboratively with other associations and veterans service organizations. She also represented the Association on The Military Coalition, serving as the Coalition’s national secretary and co-chair of its health care committee.

Ms. McNamara earned a MBA from Virginia Tech and a Bachelor of Science, cum laude, from Old Dominion University.

Nanette DeRenzi

Nanette DeRenzi


Chief Operating Officer

Nan DeRenzi oversees Jefferson’s administrative and financial functions as well as the day-to-day operations of the firm. She also applies her extensive government and legislative experience to help Jefferson clients attain their business objectives.

Before joining Jefferson Consulting Group as Chief Operating Officer, Ms. DeRenzi spent 29 years in the Navy, attaining the rank of Vice Admiral. She retired from the Navy in 2015. Her last assignment was as the Judge Advocate General of the Navy, a position she held for three years. As Judge Advocate General, she managed and led a global law firm of 2,300 military and civilian attorneys, paralegals, and legal assistants. Her responsibilities ranged from recruitment of top legal talent, to the management, training, and retention of that talent. She also served as the senior military legal adviser for the Secretary of the Navy and Chief of Naval Operations.

Among her management accomplishments were a realignment of the Navy’s global legal structure and a centralization of administrative functions to maximize resources and minimize overhead. She developed flex-time, telecommuting, and virtual workplace programs, which enhanced the ability to attract and retain a high-performing diverse workforce.

Earlier in her career, she served as Commander of the Naval Legal Service Command, where she led 17 offices worldwide that provided legal services to the Navy, Sailors, and families. She also managed and equipped the Naval Justice School to successfully meet its responsibility to train all Navy, Marine Corps, and Coast Guard legal personnel and provide legal training to the Navy.

During her Navy career, Ms. DeRenzi advised senior military, congressional, and civilian leaders on a variety of complex and sensitive legal and policy issues, including crisis response and major investigations, regulatory compliance, ethics, sexual assault prevention and response, diversity and gender integration, inter-agency relations, and private-public cooperation. She is experienced in administrative law, environmental law, operational and international law, cyber and intelligence law, and criminal law.

Ms. DeRenzi holds a master of laws degree in environmental law from George Washington University Law School, a law degree from Temple University School of Law, and an undergraduate degree from Villanova University. She is licensed to practice law in New Jersey and the Commonwealth of Pennsylvania.

Julie Susman

Julie Susman




Julie Susman is President, CEO, and owner of Jefferson Consulting Group, LLC. Jefferson Consulting Group is a small, woman-owned, Washington, DC professional services firm.  Jefferson Consulting Group is comprised of two wholly owned subsidiaries: Jefferson Solutions and Jefferson Business Consulting. Ms. Susman oversees, manages, and guides each business.

Jefferson Solutions assists federal government customers navigate today’s dynamic Acquisition and Management environment. Jefferson Solutions provides assistance in Acquisition, Human Capital, and Program Management, and has served more than 50 Federal Agencies since 1996.

Jefferson Business Consulting provides business strategy and results-focused tactics.  We help industry clients develop effective positioning and targeted advocacy to create demand, funding and contracts from federal agencies for their products and services. Ms. Susman established this line of business in 1988.

Ms. Susman is an expert in business development, government relations, and government procurement, with a focus on health care, information technology, and improving how the government buys.  She is a nationally recognized expert in federal health care programs, including veterans’ and military health care programs. Prior to heading Jefferson Consulting Group, she managed the Washington operations of McDonnell Douglas’ Health Information Systems Company, and previously served as Deputy Staff Director, Legislative Director, and Deputy Chief Counsel to the U.S. Senate Committee on Veterans’ Affairs.

Jefferson Solutions is the recipient of the USDA’s 2015 OIG Woman-Owned Business Contractor of the Year award.  Ms. Susman was the recipient of the Department of Veterans’ Affairs Special Recognition Award for her efforts on behalf of homeless chronically mentally ill veterans.  She is a Board member of the Professional Services Council (PSC), serves on the ACT-IAC Executive Advisory Council, and is a Board member of the Jewish Social Service Agency (JSSA).  For 14 years she chaired the National Defense Industrial Association’s (NDIA) Health Affairs Division.

Ms. Susman holds a master’s degree in psychological counseling from The George Washington University, and a bachelor’s degree from Sarah Lawrence College. She lives in Royal Oak, Maryland, and has four children and nine grandchildren.