May 2018: Member of the scientific committee of the Eight Annual Meeting of the Lebanese Society for the Mathematical Sciences (April 2018). Lebanese American University, Byblos Campus, Lebanon.
February 2018: Member of the committee of the organisation of Humboldt Kolleg at the confluence of analysis, Geometry and mathematical
physics. Doctoral school of Sciences and Technology, Faculty of Science Hadat and Fanar, Lebanese University.
April 2017: Member of the scientific committee of the seventh Annual Meeting of the Lebanese Society for the Mathematical Sciences (April 20-21 2017). Balamand University, Faculty of Science, North Campus.
January 2014: Member of the scientific committee and of the commit- tee of organisation of ”20th LAAS International Science Conference: Advanced Research for Better Tomorrow (Mars 27-30 2013). Lebanese University, Doctoral School of sciences and technology, Hadath.
January 2013: Member of the scientific committee and of the commit- tee of organisation of ”Workshop in fluids and populations dynamics” (September 10-14 2013). Lebanese University, Doctoral School of Sciences and Technology, Hadath Campus.
January 2010: Member of the scientific committee of the First Annual Meeting of the Lebanese Society for the Mathematical Sciences (January 29-30 2010). Lebanese University, Faculty of Science, Fanar Campus.
June 2007: Member of the scientific committee and of the committee of organisation of ”l’Euro Mediterranean Conference on Biomathematics” (June 26-28 2007).
September 2005: Member of the scientific committee and of the committee of organisation of the summer school on the mathematical anal- ysis of surface waves that took place at the ”Center for Advanced Mathematical Science” of the American University of Beyrouth.
June 2002: Member of the committee of organisation of the summer school on the method of finite elements and its applications, that took place at the faculty of science of the Saint-Joseph University, Lebanon.