Clients

1) AAA - The Auto Club Group

2) Alliance Theatre

3) AT&T

4) Atlanta Community Food Bank

5) Atlanta Speech School

6) CareSource Mission

7) Centerstone of Tennessee

8) City of Peachtree Corners

9) Common Sense Leadership Fund

10) Council of Probate Judges of Georgia

11) DialCare, LLC

12) Georgia GOAL Scholarship Program, Inc.

13) Georgia HEART Hospital Program, LLC

14) Georgia Power Company

15) Middleton Public Affairs, LLC

16) Okefenokee Swamp Park, Inc

17) Piedmont Healthcare, Inc.

18) Scientific Games, LLC

19) SidePrize LLC d/b/a PrizePicks

20) State Bar of Georgia

21) Stride, Inc.

22) Teaching Strategies LLC

23) Trilith Studios

24) Yancey Bros. Co.

Number of Years as a Lobbyist

20+ years

Relationships

Co-Chair of the Judicial Nominating Commission
Serves on Executive Committee of Georgia Chamber
Transition Co-Chair for Governor Brian Kemp in 2018

Biography

Mark Middleton, a 1991 Graduate of the University of Georgia's School of Law, has focused his practice on governmental relations, agency procurement, legislative drafting, and regulatory law. He is a partner with Middleton Public Affairs, LLC ("MPA"), and the respected statewide law firm of Gilbert, Harrell, Sumerford & Martin, LLC.

As a former Hearing Officer at the Georgia Public Service Commission, and as the Georgia Department of Education Chief of Staff, Mark brings a broad range of experiences for the benefit of his clients.

Mark has also been politically active, primarily providing legal advice and policy direction to various campaigns and initiatives, including the successful campaign that created the City of Peachtree Corners. In the 2018 election cycle, Mark served as the Senior Policy Advisor and Transition Co-Chair to Republican Governor Brian P. Kemp.

He currently serves as the Co-Chair of the Judicial Nominating Commission.

Last Updated: September 10, 2025