Alex Davidson is an Assistant Professor in the Department of Computer Science at the Faculty of Sciences of the University of Lisbon, and an integrated researcher in the LASIGE research laboratory. His research focuses on the area of cryptography, where he models, designs, and implements technologies that strengthen the privacy of Internet users, with an emphasis on mechanisms that maintain security in the post-quantum era of computing. His work has already received academic distinctions, and has been translated into standardised Internet protocols and globally implemented communication mechanisms, reinforcing individuals' privacy and security guarantees.