Person · House

Matthew D.
Hennessey

CHIEF OF STAFF — Office of Senator Elissa Slotkin

Works forDElissa Slotkin · Democratic · Michigan

Chief of Staff for U.S. Senator Elissa Slotkin (D-MI) since January 2025. Previously served as Chief of Staff in Slotkin's House office (2021-2024) and as Campaign Manager for her successful 2020 and 2022 re-election campaigns. Founded and is a partner at Onward Strategies LLC, a consulting firm. Has over a decade of experience in government, electoral politics, and economic development, including service as Special Assistant to the Federal Co-Chair of the Appalachian Regional Commission under President Obama, and prior work in renewable energy sector.