Alex Davidson is a Professor Auxiliar in the Departamento da Informática at FCT, Universidade NOVA de Lisboa. He holds a BSc in Mathematics from the University of Warwick (UK), and a PhD in Cryptography from Royal Holloway, University of London (UK). His research focuses on constructing practical cryptographic protocols that enhance user privacy within the application layer of the IP suite. He also works on real-world cryptography that satisfies post-quantum security and/or human-usability guarantees.