Hailing from Cleveland, OH, Jameson studied physics and political science at Kent State University, where he developed a strong interest in American constitutional law. After graduating, he interned for the New Civil Liberties Alliance and then worked for the Heritage Foundation's Meese Center for Legal and Judicial Studies, where he published academic articles on originalism, the separation of powers, and the Fourteenth Amendment. He intends to attend law school and pursue a career in public-interest litigation.