Skip Navigation

Public Policy

Our Team

Call Us: (404) 880-9000

Public Policy

Our Team

Public Policy Team Members


Dave Williams

Senior Vice President, Public Policy

770.846.9000 |

Dave Williams joined the Metro Atlanta Chamber (MAC) in January 2011 and serves as Senior Vice President, Public Policy. He works closely with business leaders and state legislators, advancing policies to improve Atlanta’s quality of life and business climate. Specific policy areas include transportation/transit, water, environment, sustainability and cybersecurity. He also leads MAC’s government affairs activities at the local, state and federal levels, and manages MAC PAC, which supports pro-business candidates for state office.

Williams has an extensive track record of civic leadership. He was elected Mayor of the City of Suwanee (2007-11) and to Suwanee’s City Council (1998-2001). He served as president of the Gwinnett Municipal Association (2009) and Treasurer of the Atlanta Regional Commission during his board service there from 2002-07.

Williams is currently a member of the 2022 Leadership Atlanta class, and a graduate of Leadership Gwinnett, Regional Leadership Institute, and the Institute for Georgia Environmental Leadership (IGEL). He currently serves on the executive board of ULI-Atlanta’s Livable Communities Council and the Regional Business Coalition of Metro Atlanta. He also serves on the advisory boards of Transportation for America and Georgia Tech’s Ray C. Anderson Center for Sustainable Business. Previous board service includes the Atlanta Aerotropolis Alliance, Gwinnett Chamber of Commerce, Suwanee Business Alliance and Kate’s Club.

Prior to joining MAC, Williams was the CEO of Southtrac for ten years, a branded merchandise and marketing company he founded. Williams started his career with the Atlanta Sports Council and Atlanta Organizing Committee, the bid committee which won the 1996 Olympic Games. A metro Atlanta resident since 1973, Williams graduated from Georgia Tech in 1989 with a degree in Management.

He resides in Suwanee, Georgia with wife Debbie, an interior designer and UGA alumna. They have two children- daughter Ramsey graduated from Augusta University and is an emergency department nurse in Charleston, SC and son Max is a senior at UGA’s Terry College of Business. Their enthusiastic Cava-poo, Tallulah Whiskey, barks and whines entirely too much.


Marshall Guest

Senior Vice President, Public Policy

404.586.8467 |

Marshall Guest joined the Metro Atlanta Chamber (MAC) in December 2014 and co-leads the public policy team as Senior Vice President, Public Policy.  When he first joined MAC, he held the role of Vice President of Business Climate, overseeing tax policy, education, and workforce development and engaging on policy issues that support and protect the region’s welcoming reputation. In his expanded role co-leading the public policy team alongside Dave Williams, Guest now works with business leaders, elected officials, and other partners to ensure Metro Atlanta continues to foster a strong business climate.

Before joining MAC,  Guest served as Georgia House Speaker David Ralston’s Senior Policy Advisor and Press Secretary. He also served as Communications Director for House Speaker Glenn Richardson and Deputy Press Secretary in the Office of Governor Sonny Perdue. His extensive experience at the Georgia General Assembly includes several staff roles in State Senate leadership offices.

A lifelong metro Atlanta resident, Guest received his bachelor’s degree from the University of Georgia and his MBA from Georgia State University. He is a graduate of Leadership DeKalb and the Regional Leadership Institute (RLI). Guest serves on Leadership DeKalb’s Board of Directors, the State Compensation Commission, and the Invest Georgia Board of Directors. He and his wife, Sarah, a teacher in the City Schools of Decatur, live in Decatur with their three young boys: Griffin, Worth, and Archie.


Leanna Brown

Vice President, Business Climate and Talent Development

404-586-8406 |

Leanna is the vice president of business climate and talent development for the Metro Atlanta Chamber. She joined the MAC Public Policy team in 2018 and helps lead MAC’s efforts on tax and economic development policy to help ensure metro Atlanta maintains its top-rated business climate. Leanna also helps lead MAC’s education and workforce efforts and helps coordinate cross-chamber initiatives on talent recruitment and retention, which includes collaborating with ChooseATL. Prior to joining MAC, Leanna was a Government Relations Associate in the University of Georgia Office of Government Relations.


Leanna holds a Master of International Policy and a Bachelor of International Affairs from the University of Georgia. She is a graduate of LEAD Athens, the Regional Leadership Institute, and the Zell Miller Leadership Institute. She serves on the UGA School of Public and International Affairs Alumni Board and multiple Georgia 4-H boards.


Tim Cairl

Senior Director, Educated Workforce

Tim currently serves as Senior Director of Educated Workforce for the Metro Atlanta Chamber where he works both regionally and at the state level on K-12 education policy as well as early childhood and Pre-K policies. Tim earned his Bachelor of Science in Health from Liberty University and a Master of Arts in Public Policy from the Andrew Young School of Policy Studies at Georgia State University. He is a long-time resident of DeKalb, County and enjoys travel and cooking in addition to volunteering with several local non-profit and civic organizations.


Natasha DiFiore

Senior Director of Legal Affairs and Research

Natasha DiFiore is Director of Legal Affairs at the Metro Atlanta Chamber, where she researches, analyzes, and advocates for programs and policies that impact the region's business climate. Prior to joining MAC in 2020, Natasha worked on a broad range of civil and criminal legal issues in both the private and public sectors.

Natasha earned her JD, cum laude, from Duke University School of Law and her Bachelor's degree from Emory University. She is a graduate of LEAD Atlanta and the Georgia Women's Policy Institute. Natasha resides in Atlanta with her husband Michael and their spunky bernedoodle Bexley.


Nick Fernandez

Director, Government Affairs

Nick Fernandez joined the Metro Atlanta Chamber as Government Affairs Coordinator in December 2018. In his role, Nick is responsible for assisting with the management of MAC’s election funds at the state and local level and working alongside team members to advance a multitude of policy areas and issues pertinent to MAC and its members. Prior to joining MAC, Nick served as the Attorney General Chris Carr’s campaign manager for his 2018 re-election. He also worked as a policy advisor under Agriculture Commissioner Gary Black and State Senator Jeff Mullis.

Nick received his Bachelor of Political Science from the University of Georgia. He currently resides in Tucker with his wife, Cara, and their playful dog Nala.


Alexis Boss

Government Affairs Coordinator

Alexis is the Government Affairs Coordinator for the Metro Atlanta Chamber. In this role, she is responsible for assisting with assisting with day-to-day operations of the Public Policy team and working alongside team members to advance policy important to the region and MAC members. Prior to joining MAC, Alexis worked at GeorgiaLink Public Affairs Group, the University of Georgia Office of Government Relations, Winder City Hall, and on various political campaigns. Born in Atlanta and raised in Savannah, Alexis received her Bachelors of Arts in Political Science and International Affairs from the University of Georgia.


LaTonia Long

Public Policy Manager

LaTonia B. Long joined MAC as Public Policy Manager in December 2021. In this role, LaTonia provides managerial support to the team including serving as a strategic thought-partner to the team’s senior vice presidents. Additionally, LaTonia handles high level day-to-day oversight on projects, event planning and execution, research and communication with stakeholders which includes maintaining cross-departmental relationships. 


An Atlanta native and graduate of Georgia State University, LaTonia lives in Mableton, GA with her husband and two children.

Nikko Cayetano

Research and Analytics Coordinator

Cookie Settings