Senator Thompson, a Democrat, represents parts of Gwinnett County.

He currently serves as Chairman of Special Judiciary Committee and is also member of the Judiciary, Appropriations, Ethics, and Rules committees.

He served Georgia in the House of Representatives from 2002-2004. Sen. Thompson is a life-long resident of Gwinnett County. He graduated from Shiloh High School, where he was a National Merit Scholar. He then went to American University in Washington, D.C., majoring in international studies and broadcast journalism. Senator Thompson then went to law school at Georgia State University. He passed the Bar and represents government employees (including firefighters and police) and service workers. Senator Thompson currently practices law in Norcross serving a variety of business and private clients with a focus on administrative and corporate law at his firm-Thompson & Associates.

Senator Thompson has been active in civic affairs, such as his neighborhood garden club, petitioning for speed bumps, and opposing destructive re-zoning applications. He has also been affiliated with the Gwinnett County Habitat for Humanity, the Sierra Club, Norcross Cooperative Ministries, and AID Gwinnett.

He has long been involved in the Gwinnett County chapter of the Democratic Party of Georgia and is firmly committed to ensuring that his neighbors have a voice in the State Legislature. In 2002, he ran and won election for the then newly-created District 69 and in 2004 for the State Senate District 5, in both cases running with a message to the voters- "Your Voice Counts!" In his district, he hosts a monthly public gathering called the "Citizens Advisory Forum" allowing members of his community and others to communicate with him directly on issues concerning them the most. He also engages in organizing umbrella groups to unite and assist neighborhood associations and neighborhood revitalization efforts. He currently serves as the President of the Gwinnett Village Community Improvement Association.

In addition, he has learned to speak Spanish to better serve the Spanish-speaking members of Senate District 5.

He worships at Chattahoochee Friends Meeting and All Saints Episcopal Church in Atlanta.