Aristides Gionis

I am a WASP professor at KTH Royal Institute of Technology. I work in algorithms, data mining, graph mining, and social-network analysis. At KTH I work with a team of bright and highly-motivated researchers:

• Ilie Sarpe (postdoc)

• Meher Chaitanya Pindiprolu (postdoc)

• Yifei Jin (doctoral student)

• Honglian Wang (doctoral student)

• Tianyi Zhou (doctoral student)

• Thibault Marette (doctoral student)

• Malika Satayeva (doctoral student)

• Theofanis Georgakopoulos (research assistant)

My research is currently funded by ERC, WASP, VR., and the Marie Curie doctoral training network ARMADA. My ERC project, REBOUND, focuses on understanding and mitigating phenomena of bias and polarization in online media.

Past students, postdocs, and visitors

• Guangyi Zhang (PhD, graduated in February 2023)

• Ruo-Chun Tzeng (PhD, graduated in December 2024)

• Sijing Tu (PhD, graduated in June 2025)

• Florian Adriaens (postdoc, 2020-2022)

• Stefan Neumann (postdoc, 2020-2023)

• Ece Calikus (postdoc, 2023-2024)

• Lutz Oettershagen (postdoc, 2023-2024)

• Sebastian Dalleiger (postdoc, 2024)

• Federico Cinus (visitor in spring 2022)

• Corinna Coupette (visitor in summer 2022)

• Ilie Sarpe (visitor in autumn 2022)

• Tommaso Lanciano (research engineer in spring 2023)

• Iasonas Nikolaou (intern in summer 2024)

• Theofanis Georgakopoulos (intern in summer 2025)