Last ten years:
2023 (Mai): Invited speaker to "colloque à l'occasion des 60 ans de S. Gerbi", Lama Universit\'e de Savoie, Chamb\'ery.
2022 (Mars): Invited speaker to Seminar A3 of Analysis-PDE's, Lamfa-Université d’Amiens.
2019 (November): Invited speaker to CAMS@20 Symposium, Center for advanced mathematical sciences, American University of Beirut.
2017 (September): Invited speaker to the seminar of analysis, Fédération Denis Poisson, University of Tours.
2016 (September): Invited speaker to the seminar of PDE of the laboratory of non-linear analysis, University of Paris-Est-Créteil.
2016 (March): Invited speaker at the Workshop on Mathematical Analysis, Beirut Arab University, Faculty of Science, Debbieh cam- pus.
2014 (December): Invited speaker to the department of mathematics, Notre Dame University: ”A coupled anisotropic chemotaxis-fluid model: Mathematical and numerical analysis.”
2014 (May): Plenary lecture in the ”Fifth Annual Conference” of the Lebanese society for Mathematical Sciences.
2013 (September): Plenary lecture in the colloquium: ”Journ ́ee en l’honneur de Colette Guillop ́e”, University of Paris Est-Créteil. ”A new Green Naghdi model in the camassa-Holm regime and full justification of internal waves models.”
2013 (September): Invited speaker to the seminar of analysis, Fédération Denis Poisson, University of Tours. ”A new Green- Naghdi model in the camassa-Holm regime and full justification of internal waves models.”
2012 (June): Seminar at the laboratory of Jean Leray, university of Nantes: ”Slightly compressible viscoelastic fluid flows and the incompressible limite.”
2012 (May): Seminar at the colloquium on: States of the research ”Topics on Compressible fluids”, Le Bourget du Lac, France.