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Public Policy

Our Team

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Public Policy

Our Team

Public Policy Team Members

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Dave Williams

Senior Vice President, Public Policy, Infrastructure & Government Affairs

770.846.9000 |

Dave Williams joined the Metro Atlanta Chamber (MAC) in January 2011 and currently serves as senior vice president of public policy, infrastructure and government affairs. In that role, he works closely with our business leaders, promoting policies that will improve Atlanta’s quality of life and infrastructure. Specific policy areas include transportation, water, and the environment. He also leads MAC’s government affairs activities at the local, state, and federal levels, including managing MAC PAC, which supports pro-jobs candidates for state office.

Williams has an admirable track record of civic leadership. He is a member of metro Atlanta’s MPO (Metropolitan Planning Organization) and served on the Atlanta Regional Commission Board from 2002-2007. He was elected mayor of the City of Suwanee (2007-2011), served on the Suwanee City Council (1998-2001), and as president of the Gwinnett Municipal Association (2009). While serving as a government worker in Suwanee, he was active in legislative policy matters in the Georgia Municipal Association, leading efforts relating to service delivery strategies and other issues. A graduate of Leadership Gwinnett and a Regional Leadership Institute alumnus, he now serves on the board and executive committee of the Livable Communities Council. He also serves on the board of the Atlanta Aerotropolis Alliance and Georgia Tech’s NCTSPM (National Center for Transportation Systems Productivity and Management). Williams has also served on the boards of numerous other community institutions including the Gwinnett Chamber of Commerce, Suwanee Business Alliance, and Kate’s Club. Prior to joining MAC, Williams was the CEO of Southtrac for 10 years, a branded merchandise and marketing company he founded. Williams started his career with the MAC Atlanta Sports Council and AOC, the bid committee which won the 1996 Olympic Games. A metro Atlanta resident since 1973, Williams graduated from Georgia Tech in 1989.

He resides in Suwanee, Georgia, with wife Debbie (a UGA alumna), daughter Ramsey, son Max, and an enthusiastic “schnoodle” named Fozzie Bear.

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Marshall Guest

Senior Vice President, Public Policy and Business Climate

404.586.8467 |

Marshall Guest is the senior vice president of public policy and business climate for the Metro Atlanta Chamber (MAC). He joined MAC in 2014 and oversees the Chamber’s work on workforce, education, tax policy, and other issues that impact the region’s business climate. Prior to joining MAC, Guest served as Georgia House Speaker David Ralston’s senior policy advisor and press secretary. He also worked under Governor Sonny Perdue, House Speaker Glenn Richardson, and several leadership offices in the Georgia State Senate.

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, the Invest Georgia Board of Directors and the Zell Miller Institute Advisory Board. He resides in Decatur with his wife, Sarah, and three young boys, Griffin, Worth and Archie.

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Tim Cairl

Senior Director, Education Policy

Tim currently serves as Director of Education Policy 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.

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Natasha DiFiore

Director of Legal Affairs

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.

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Leanna Brown

Senior Director of Government Affairs

404-586-8406 |

Leanna joined the Metro Atlanta Chamber as Director of Government Affairs in January 2018. In this role, she is responsible for advancing a variety of public policies important to MAC and its members. 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.

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Jenny Jang

Director of Strategic Outreach & Engagement

Jenny Jang is Director of Strategic Outreach and Engagement for Public Policy at the Metro Atlanta Chamber (MAC). In her current role, she is responsible for leading and implementing a forward-thinking, results-oriented approach to collaborate with investors and key partners in identifying important issues impacting businesses in Metro Atlanta. Since joining MAC in 2014, she has served in various key roles developing initiatives and programs focusing on attracting and retaining next-gen talent such as ChooseATL After 5, summer intern program, ATL Tour: College Edition and InternNavigator (iNav). She also served as a fiscal agent for the Atlanta Partners for Education, coordinated activities around Georgia Prospers and helped execute the public policy team’s engagement opportunities with investors and partners.

She earned her Bachelor of Science degree in Early Childhood Education from Kennesaw State University. She is a graduate of LEAD Atlanta Class of 2017 and past board chair for the United Way LINC. She currently serves on Atlanta Regional Commission’s Millennial Advisory Panel, Global Advisory Panel, and Board of Directors of the Georgia Association of Colleges and Employers. She resides in Atlanta with her husband, Petar and enjoys traveling and discovering new restaurants.   

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Natalie Simpson

Project Manager

Natalie Simpson is a Project Manager for Public Policy at the Metro Atlanta Chamber. Her current role involves spearheading the Atlanta E3 Awards. She has held several positions at MAC since joining in 2015. Previously, she worked for a rare disease registry in Sioux Falls, SD. She is also on the board of the Green Chamber of the South. She earned her Bachelor of Arts in Molecular, Cellular and Developmental Biology from the University of Colorado, Boulder. An avid rock climber, Natalie and her husband Kyle live in East Lake Terrace.

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Nick Fernandez

Government Affairs Manager

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.

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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.

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