The more you know..


  • College/University: BA with Major in Marketing and Minor in PR at Mississippi State University, MBA at the University of Queensland

Marie Sanderson

Senior Advisor

Marie Sanderson is currently President and Founding Partner of GuidePostStrategies, a federal strategic communications and public affairs firm; a Partner at 50 State, LLC, a bipartisan, strategic state-based government relations firm; and Founding Principal of Cardinal Group Policy, a policy entity that works with policy makers, think tanks, candidates, and elected officials across the country.

In 2017, in addition to her professional roles, Marie was “Sherpa” for USUN Ambassador Nikki Haley, an unpaid position with the US Presidential Transition, preparing and guiding the current Ambassador for her nomination to be confirmed by the US Senate.

Previously, Marie was Policy Director for the Republican Governors Association (RGA) and the Republican Governors Public Policy Committee (RGPPC), facilitating and advocating for best practices and good policy in both state and federal policy to governors, candidates, their staff, think tanks, Congress, the Administration, and other political organizations.

Before joining the Barbour Administration for six years, Marie served as Director of Federal Policy and policy advisor for Governor Haley Barbour and worked for United States Senator and Appropriations Chairman Thad Cochran as a Legislative Assistant and Deputy Press Secretary.

Marie serves on several boards and commissions and was recently appointed by Governor Phil Bryant to the Mississippi Arts Commission. She and her husband, Brian, have two sons and one daughter.

Say Hello

108 S Washington St, Alexandria, VA 22314

Phil Cox
Phil Cox
Gerrit Lansing
Gerrit Lansing
Gary Coby
Gary Coby
Ethan Eilon
Megan Foote
Megan Foote
Marty Obst
Marty Obst
Marie Sanderson IMGE
Marie Sanderson
Bob Busick
Erin Helms
Madison Morris Business Development Manager
Madison Morris
Richard
Ryan Lyk
Ryan Lyk
Gabriel Egan
Anfon Ha
Josh Mahan
Zach Stites
Alex Boedigheimer
Emily Karrs
Emily Karrs
Ashleigh Grant
Mike Chenderlin
Mike Chenderlin