I am a senior researcher in the Machine Learning Research Team (MLRT) of the Artificial Intelligence Research Center (AIRC) of the National Institute of Advanced Industrial Science and Technology (AIST) in Tokyo, Japan. I am also an associate member of the CNRS Japanese-French Laboratory for Informatics (JFLI). Before my position at AIST, I was an associate professor at the Université de Nantes, France.

My research is mainly focused on Game AI problems, in particular on solving decision-making problems in real-time strategy games. I focus on constraint solving under uncertainty, and try to understand how constraint programming and machine learning can nurture each other.

I am also interested in designing and implementing constraint-based meta-heuristics for combinatorial optimization problems, as well as making contraint programming more user-friendly for non-experts. This is one of the main reasons I started to design my constraint programming toolkit, GHOST.

Finally, I was deeply involved in Science popularization in France, in particular about Computer Science, Artificial Intelligence and Game AI. Although I do not have as many occasions to do it in Japan as in France, this is still something that matters to me.

StarCraft bot

Game AI

Chess interaction



Decision-making under uncertainty

Search landscape

Constraint-based Metaheuristics


AIST Tokyo Waterfront
Aomi 2-3-26, Koto-ku, Tokyo 135-0064, JAPAN
email: florian [at] richoux [dot] fr

Academic positions

  • 09.2020 current

    Senior researcher

    AIST, Machine Learning team, Japan

  • 03.2022 10.2022

    Chief researcher

    NEC - AIST AI Cooperative Research Laboratory, Japan

  • 09.2018 08.2020

    CNRS sabbatical leave

    JFLI, NII, Japan

  • 09.2012 08.2020

    Associate Professor

    Université de Nantes, France

  • 06.2015 08.2015

    Visiting Scientist

    Facebook AI Research, France

  • 04.2014 08.2014

    JSPS Visiting Professor

    JFLI, University of Tokyo, Japan

  • 09.2010 08.2012

    Contract CNRS Researcher

    JFLI, University of Tokyo, Japan

  • 01.2010 08.2010

    Post-doctoral fellow

    Mathematical Informatics 2nd Laboratory, University of Tokyo, Japan

Education and training

  • Ph.D. 2009

    Ph.D. in Theoretical Computer Science

    École Polytechnique, Palaiseau

  • M.Sc. 2006

    Master of Science in Theoretical Computer Science

    Université d'Orléans

  • M.Sc. 2005

    Master of Science in Theoretical Computer Science

    Université de la Méditerranée, Marseille

  • B.Sc. 2004

    Bachelor of Science in Theoretical Computer Science

    Université de Provence, Marseille