Stefanos Leonardos

Hello and welcome to my personal website! Stefanos

I am a lecturer in machine learning at King’s College London. Before coming to London, I spent four very memorable years as research fellow at Singapore University of Technology & Design hosted by Georgios Piliouras. I earned my PhD in game theory from the mathematics department of Athens University where I was advised by Costis Melolidakis. My interests are in game theory and machine learning, including multi-agent systems, blockchains and artificial intelligence. For my full list of publications please see my [CV] or [google scholar].

Contact details: King’s College London, Department of Informatics, Bush House, Office S5.13. e-mail:

For students:

  • Funded PhD positions available: If you are interested in doing research in game theory, multi-agent systems, learning in games, reinforcement learning and/or cryptoeconomics (mechanism design/incentives), there are a couple of funded PhD positions available, so please write to me. 
  • Office hours (April – September 2023): April onwards, I will be travelling frequently and the regular office hours, Tuesdays 14:00 – 15:30 @ Bush House S5.13, will not be held regularly. To avoid disappointment, please write to me in advance if you intend to come. Sometimes, I am in the lobby area @ S5.01 between 14:00-14:30.

Selected Publications 

Ethereum Collaboration