• Institut Fourier, 7- 9 February 2024, Grenoble, France
• Imperial College London , 24-26 May 2023, London, UK
• Université de Paris , 21-23 November 2022, Paris, France
• Laboratoire Paul Painleve, 5-7 February 2020, Lille, France
• Institut Fourier, 29- 31 January 2020, Grenoble, France
• Paris Diderot University, 27-29 January, 3-5 February 2020, Paris, France
• Park City Mathematics Institute- research program, 7 - 20 July 2019, Utah, US
• UC Louvain, 18-21 March 2019, Louvain, Belgium
• University of Geneva, 26-30 November 2018, Geneva, Switzerland
• Institut de Mathematiques de Bourgogne, 16 July- 18 July 2018, Dijon, France
• Homology Theories in Low Dimensional Topology, 12 February - 31 March 2017, Isaac Newton Institute, Cambridge, United Kingdom
• Institut de Mathematiques de Bourgogne, 29 May- 2 June 2017, Dijon, France
• Institut de Mathematiques de Bourgogne, 13-15 November 2017, Dijon, France