1. January 2019, Co-organizer of AMS special session in Baltimore. “Nonlinear Evolution Equations and Their Applications”, Baltimore, USA. NEW
  2. 12-14 December 2017, Coordinator of the conference: “AIMS-UB International Conference on Mathematics and its Applications”, University of Buea, Cameroon.
  3. 7-11 December 2015, Co-organizer and member of scientific committee of the workshop: « Workshop on Infinite dimensional systems in fuid mechanics and biology(IDSFMB) ». Pointe-à-Pitre, Guadeloupe.
  4. 14-15 May 2015, Co-organizer of the Special session “Nonlinear Evolution Equations and their Applications”, 9th International Conference on differential Equations and Dynamical System, Dallas, Texas.
  5. 6-10 December 2011, Co-organizer of the Workshop: "MMAE 2011- Workshop on Mathematics and Mathematics Applied to Economics, Pointe-à-Pitre, Guadeloupe.
  6. 15-18 December 2010, Co-organizer of the Special session la session SS1 de DEDS 2010: “Recent Advances in Evolution Equations and Applications”, Tampa, Florida, USA.
  7. July 2010, Co-organizer of Special session SS8 of ICNPAA 2010 World Congress: “Advances in Fractional Differential Equations- theory, methods and applications”, INPE, Sao José dos Campos (SP), Brazil.
  8. January 2009, Co-organizer of the Research school: "CIMPA-UNESCO-UAG, Population dynamics, Control and Applications, Pointe-à-Pitre, Guadeloupe.
  9. April 2004, Co-organizer the Workshop: "CSVAA '04- Workshop on Control, Set-Valued Analysis and Applications, Pointe-à-Pitre, Guadeloupe.