Biography
Dr Iosif (Joseph) Sakos is a Lecturer at the Singapore University of Technology and Design (SUTD). He received his PhD in Engineering Systems and Design from SUTD and his MSc in Computer Science from the Athens University of Economics and Business (AUEB), Greece. His research focuses on optimisation, algorithmic game theory, and quantum computing. He develops theoretical and computational methods, with an emphasis on structure-exploiting algorithms and learning and equilibrium analysis in games.
Education
- PhD, Engineering Systems and Design, Singapore University of Technology and Design, 2024
- MSc, Computer Science, Athens University of Economics and Business, 2020
- BSc, Computer Science, Athens University of Economics and Business, 2019
Research interests
- Algorithmic game theory
- Equilibrium selection
- Learning dynamics in games
- Polynomial optimisation
- Parametrised quantum circuit optimisation
Selected publications
- Leon, V., I. Sakos, R. Sim, and A. Varvitsiotis, “Certifying Concavity and Monotonicity in Games via Sum-of-Squares Hierarchies,” Advances in Neural Information Processing Systems, vol. 38, 2025.
- Canyakmaz, I., I. Sakos, W. Lin, A. Varvitsiotis, and G. Piliouras, “Learning and Steering Game Dynamics Towards Desirable Outcomes,” Proceedings of Machine Learning Research, 283, pp. 1512–1524, 2025.
- Leonardos, S., J. Sakos, C. Courcoubetis, and G. Piliouras, “Catastrophe by Design in Population Games: A Mechanism to Destabilize Inefficient Locked-in Technologies,” ACM Transactions on Economics and Computation, 11(1–2), pp. 1–36, 2023.
- Sakos, I., E.-V. Vlatakis-Gkaragkounis, P. Mertikopoulos, and G. Piliouras, “Exploiting Hidden Structures in Non-Convex Games for Convergence to Nash Equilibrium,” Advances in Neural Information Processing Systems, 36, 2023.