Alexander studied History at Queen Mary University of London, graduating with First-Class Honours in 2018. His dissertation was entitled How did the Films of Humphrey Jennings Represent and Contribute to the Idea of the ‘People’s War’?
Alexander subsequently studied the GDL at BPP University, gaining a Commendation in 2020. At BPP, Alexander volunteered for the pro-bono Streetlaw project. After graduating, he volunteered remotely for a legal advice centre based in Ealing.