Aggelos directs Input Output’s pioneering research efforts in blockchain and cryptography. He holds the Chair in Cyber Security and Privacy and serves as the Director of the Blockchain Technology Laboratory at The University of Edinburgh.

A key architect of Cardano’s Ouroboros protocol, a pioneering proof-of-stake consensus algorithm, he is widely recognized for his contributions to the advancement of secure and scalable blockchain protocols and was awarded the 2024 BCS Lovelace Medal

He leads a worldwide network of research fellows specializing in areas including cryptography, distributed ledgers, algorithms, cybersecurity, formal methods, economics, and game theory.