Majority Group

Majority Group's experienced professionals are steeped in the confluence of business demands, government processes and evolving political climates.

Hadley Sosnoff

Through over ten years of experience working on Capitol Hill and in the private sector, Hadley Sosnoff has extensive working knowledge and unique understanding of the federal political landscape.

Hadley provides strategic counsel to Majority Group’s clients on policymaking efforts in Congress and at federal agencies. During his tenure at the firm, Hadley has worked on behalf of clients across a number of industries, securing significant legislative and regulatory achievements despite challenging political headwinds.

Prior to joining Majority Group, Hadley served as the Director of Government Relations at a prominent national trade association. Previously, Hadley spent several years working on Capitol Hill, most recently as Legislative Director for a centrist Congressional office. Hadley also served on the legislative staff for the Appropriations Committee’s top Democrat in various capacities.


  • B.A., Hobart College

Majority Group
 19 D St SE Washington, DC 20003 | (202) 506-1382