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Bicameral, Bipartisan, Bicoastal: The Madison Group is the premier government relations firm. Our experienced team works with a select group of clients across several industries.


For over 15 years, The Madison Group has delivered the gold standard of service to a select group of clients across several industries. Members of our team come from all levels of government – Capitol Hill, the White House, regulatory agencies – and have advised leaders of industry and heads of state. 


Our Services

Lobbying & Issue Advocacy

TMG develops and executes bold legislative strategies, drafts legislation, and interfaces with senior officials within the Administration and Congress. Our clients experience the benefit of the Madison Group’s extensive and broad range of relationships resulting in objectively measurable results.


Coalition Building

We understand the power of partnerships to ensure that your message reaches and resonates with key policymakers. Our team will create strong coalitions and networks which will contribute greatly to your advocacy efforts.


Strategic Communications

and Planning

Our team will work with you to develop a plan to enhance your reputation and elevate your brand. Our efforts can garner press coverage, sway public opinion, and ultimately help policymakers make informed decisions.

Our Team

Our Team

Expert Advisors.

With decades of lobbying and policy experience, our bipartisan, bicameral team are experts in all aspects of government relations strategy, policy analysis, lobbying, and advocacy. The Madison Group provides a full-range of public policy support to advance client goals with our valuable arsenal of political insight, mastery of the legislative and regulatory process, and our ability to lobby Congress and the executive branch as well as build and manage coalitions, grassroots support, and media engagement.



TMG In The News.

The Madison Group principals are sought-after and influential experts across several fields and industries. Our team regularly appears in US and international media to provide unmatched analysis, insights, and perspectives.

News Release

Madison Group Hires House Appropriations Staffer

March 23, 2022 - Washington, DC - The Madison Group, a bipartisan, bicameral, and bicoastal government relations firm, is pleased to welcome Gladys Barcena as Senior Director of Government Relations. Barcena brings over a decade of legislative policy and private sector expertise to the Madison Group. Barcena joins the firm after most recently serving for the House Appropriations Committee, Subcommittee on Transportation, Housing and Urban Development, Related Agencies. Gladys will leverage her extensive knowledge of the federal appropriations process to advise clients across a range of issues including technology, telecommunications, transportation, and housing.


Before her role on the Appropriations Committee, Gladys served as Principal for the Bridge Street Group where she advised clients on technology matters and led the firm’s efforts in the passage of the bipartisan Defend Trade Secrets Act of 2016.  She also served as Director of Legislative Affairs for the Competitive Carriers Association where she worked with Congress and the Federal Communications Commission to promote greater competition in the wireless market. Gladys started her career on Capitol Hill working for Ways and Means Committee Member, Congresswoman Linda Sanchez (D-CA). 


Gladys is a native of Southern California, where she graduated from the University of California, Irvine. She currently resides in Washington, D.C. with her husband Robert and three boys- Benjamin, Jacob and Aaron.

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News Release

Tiffany Harris, Esq.  Joins TMG

January 8, 2021 - Washington, DC - The Madison Group, a bipartisan, bicameral, and bicoastal government relations firm, is pleased to welcome Tiffany Harris, Esq. as Director of Government Relations. Harris brings legislative, policy, and judiciary expertise to the Madison Group. Harris joins the firm after most recently serving in the office of Senator Robert Menendez (D-NJ), where she managed Judiciary Committee issues that included immigration, criminal justice reform, voting rights, civil rights, and judicial nominations. She also worked on a myriad of technology and telecommunications issues while managing a health policy portfolio specific to COVID19’s impact on minority communities.

While on Capitol Hill, Tiffany was an active member of the Senate Black Legislative Staff Caucus, including serving as a member of the Taskforce on Racial Injustice and Reform. Before beginning her service in the Senate, Tiffany worked as a Federal Relations Counsel with the American Association for Justice. She also worked for several years as a prosecutor in Nassau County, New York under then District Attorney Kathleen Rice who now represents New York’s 4th Congressional District.


Harris attended undergrad at Howard University and is a graduate of the University of Tennessee College of Law. She is a licensed attorney and native Chicagoan. She is a member of Delta Sigma Theta Sorority.

Marcus Mason: Congressional Chief of Staff at the Age of 22

Marcus Mason: Congressional Chief of Staff at the Age of 22

Marcus Mason is a Senior Partner at The Madison Group, a boutique bipartisan consulting and lobbying firm that specializes in tax, technology, telecommunications, trade and transportation issues. Clients include Google and Education Network of America. Marcus also serves as the President of the Washington Government Relations Group (WGRG), an organization of African American lobbyists whose goal is to enrich the community, by providing mentorship and professional growth opportunities while promoting diversity within the lobbying profession. Marcus was raised in Los Angeles, CA. He attended California State University - Dominguez Hills, where he obtained a B.A. in Political Science, Economics, and English. His first job in government was working for a state senate campaign in CA, and he won his first Congressional race as a campaign manager at 21. At 22 Marcus began his career as a Chief of Staff/Legislative Director in the U.S. House of Representatives. He served in that role from ’92-’99. He then transitioned to the private sector, where he worked as the Senior Director of Government Affairs for Amtrak. Marcus has served on the Board of Directors for the Congressional Black Caucus Political Action Committee for the last 10 years. He also serves as a Super Delegate on the Democratic National Committee. “50% of my job is advocating for my client to Capitol Hill, and the other 50% is advocating Capitol Hill to my client.” The Washington Government Relations Group offers a number of events, including a Table Talk Series where they hold lunches with seasoned professionals and young individuals. They also host the annual Tin Cup Awards Dinner recognizing those who advocate for the enrichment of African American Government Relations Professionals. The WGRG also facilitates college scholarships for young adults interested in government relations.
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