2017 
June 27, 2017,
 Clermont-Ferrand
Member of the jury de thèse of Rabih Bou Daher
October 23-November 4, 2017,
 Shanghai/China
East China Normal University, visit Guodong Zhou
October 25: Jiaotong University Shanghai 
Lecture:  Symmetry in degeneration in
  triangulated categories  
October 27-October 29: Mini workshop on Hochschild cohomology and related topics II, East China Normal University
Lecture:  Two-term silting and open orbit property  
November 8, 2017,
 Caen 
Member of the jury de l'HDR of Laurent Demonet
 Mini-workshop ''algèbres ammassées et théorie des représentations''.
 Lecture:  Dense orbit property in the space of 2-term complexes  
 2018 
April 20 - April 21, 2018
 Bielefeld 
Discrete Categories in Representation Thoery
July 10, 2018,
 Friedrich-Schiller Universität Jena/Germany 
Oberseminar Algebra
 Lecture:
Am Rand von Bahnen in triangulierten Kategorien 
 2019 
April 7 - April 19, 2019
 Isfahan/Iran
Conference on representation theory of algebras
Lecture:  tba 
July 29 - August 1, 2019
 Universitas Gadjah Mada Yogyakarta/Indonesia 
 SEAMS conference
Invited Lecture:  tba