Sampson graduated from Morehouse College and sought a career in the law. He has since practiced law for more than 35 years, building a national trial practice and reputation in the fields of personal injury, wrongful death and medical malpractice litigation. Sampson has represented the City of Atlanta and the State of Georgia in major litigation, and has prosecuted catastrophic injury cases resulting in several record setting, seven figure verdicts in state and federal court. Additionally, Sampson has successfully represented Fortune 500 corporations in major litigation. Throughout his career, Sampson has often been tapped to serve government, the Bar, and the community. He was appointed by Atlanta Mayor Shirley Franklin to a special panel to evaluate the Atlanta Municipal Court and the City Court of Atlanta. He is also a Special Assistant to the Attorney General for the State of Georgia, having been appointed by Attorney General Thurbert Baker. He was the first African American inducted into the Georgia Chapter of the American Board of Trial Advocates.