1. Colloque International d'Algèbre Commutative, April 20 - 24, 1992, Fez, Morocco.
2. Second International Conference on Commutative Ring Theory, June 5-10, 1995, Fez, Morocco (talk).
3. International Workshop on Commutative Ring Theory, Oct. 27 - Nov. 3, 1997, Fez, Morocco (talk).
4. Fourth International Conference on Commutative Ring Theory and its Applications, June 5-12, 2001, Fez, Morocco (talk).
5. Première rencontre Marocain Andaloue d'Algèbre et ses Applications, September 26-28, 2001, Tetouan, Morocco (talk).
6. Première Rencontre Nationale d'Algèbre et Théorie Algèbrique des Nombres, October 18-19, 2002, FST Errachidia, Morocco (talk).
7. Congrès International d'Algèbre, Théorie des Nombres et leurs Applications, May 11-14, 2006, FS. Oujda, Morocco (talk).
8. Colloque: Les algèbres et leurs représentations - Algèbres a involution, April 11-13, 2007, FS ElJadida, Morocco.
9. La Première rencontre en calcul scientifique et applications aux problèmes socio-économiques,
October 31 - November 01, 2007, FST Fez, Morocco (talk).
10. Colloque: La Rencontre Nationale en Informatique : Outils et Applications, June 5-7, 2008,
FST Errachidia, Morocco (talk).
11. Conference: Fifth International Fez Conference on Commutative Algebra and Applications, June 23-28, 2008, FST Fez, Morocco (talk).
12. “International Conférence: Discrete Mathematics and Computer Science, DIMACOS11”, Mai 5-8, 2011, FST Mohammedia, Morocco (talk).
13. “L'enseignement et la recherche en mathématiques à l'université marocaine: Etat des lieux
et perspectives”, Mai 15 - 17, 2012, University S. M. Ben Abdellah, Morocco (talk).
14. “Rencontre des Algèbriste, Rabat 2013”, June 19 - 20, 2013, University Mohamed V, Rabat, Morocco (talk).
15. “International Workshop on Algebra and its Applications ” June 18 - 21 , 2014, FST Fez, Morocco (talk).
16. “ Rencontre Nationale du Laboratoire d’Algèbre, Analyse Fonctionnelle et Applications ” December 4-5 , 2015, FST Fez, Morocco.
17. “La 2ème Conférence Nationale en Algèbre Commutative, Théorie des Opérateurs et Applications (CNACTOA)”, May 27 - 28, 2016, at Faculty of Sciences, University Moulay Ismail, Meknes, Morocco.
18. “International Conference on Algebra and its Applications” November 12 - 14, 2016, Aligarh Muslim University, Aligarh, India (talk).
19. “International Conference on Differential Geometry, Algebra and Analysis” November 15-17, 2016, Jamia Millia Islamia (Central University), New Delhi, India (talk).
20. “The International Conference on Algebra and its Applications”, April 26 - 28, 2017, at Faculty of Sciences and Technologies Errachidia, University Moulay Ismail, Mekn`es, Morocco (Talk).
21. “ Les Troisièmes Journées Internationales d’Analyse Fonctionnelle-Théorie Spectrale Et La Quinzième Rencontre Nationale du Réseau Théorie Spectrale et Applications”, 27-28 Octobre 2017, FSDM, USMBA, Fès, Morocco (Talk).
22. “ 2ème Rencontre Nationale du Laboratoire d’Algèbre, Analyse Fonctionnelle et Applications ”December 8-9, 2017, FST Fez, Morocco.
23. “ The 3rd Moroccan Andalusian Meeting on Algebras and their Applications”, 12-14 April 2018, Chefchaouen, Morocco (Talk).
24. “3rd International Congress: Algebra, Number theory and Applications”, April 24-27, 2019, Oujda, Morocco (Talk).
25. “Les quatrièmes Journées d’Algèbre et de Géométrie” December 26 - 27 , 2019, Faculté des sciences Kenitra, Kenitra, Morocco (Talk).
26. “Le deuxième workshop mathématiques des systèmes ”, December 11, 2021, at Faculty of Sciences, University Moulay Ismail, Meknès, Morocco (Talk).
27. “First International Days of Algebra, Number Theory and Applications”, May 24 - 25, 2022, at Faculty of Sciences, University S. M. Ben Abdellah, Fez, Morocco (Talk).
28. The International Conference on Algebra and Its Applications” July 12 - 15 , 2023, at Faculty of Sciences and Technology, University S. M. Ben Abdellah, Fez, Morocco.
29. “ First Sharjah International Conference on Mathematical Sciences” November 6 - 8 , 2023, at University of Sharjah, Sharjah, Emirates Arabe.