Participation in International Conferences and Schools:
Scientific and organizing committee, and also an instructor of the WAMS-CIMPA Summer School: Topics in Analytic and Transcendental Number Theory, 1-13 July 2017, Institute for Advanced Studies in Basic Sciences (IASBS), Zanjan, Iran.
Explicit Methods in Number Theory (In honour of Henri Cohen), Bordeaux, France - October 2007, Monday 15th - Friday 19th.
CIMPA-UNESCO-LEBANON, Summer School: Algebraic Geometry and Arithmetic of Curves, Center for Advanced Mathematical Sciences (CAMS), American University of Beirut, Beirut, Lebanon, July 5-16, 2004.
Participation in National Conferences and Seminars, Schools and Work-shops: