Alexander Hudson's research focuses on the role of public participation in processes of constitutional revision and replacement. His first book investigates the impact of public participation in constitution-making processes, with a particular focus on Brazil, South Africa, and Iceland. He also has ongoing research projects on public participation and minority rights, constitutional referenda, and the diffusion of language in national constitutions. Alexander has taught courses at the University of Texas at Austin, the University of Göttingen, and the Fundação Getulio Vargas in Rio de Janeiro. He earned a PhD in political science from the University of Texas at Austin in 2018.