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1- The 1st Congress of Clinical Pathology Department, Al Azhar University. Cairo, Egypt, 12th May 2004.
2- The 28th, Scientific conference of The Egyptian Society of Histology and Cytology (Al-Azhar Faculty of Medicine 30 December, 2004).
3- Scientific conference of The Egyptian Veterinary Medical Society for Pathology and Clinical Pathology 25- 26 June 2006.
4- Scientific conference of Egyptian Society for Animal management 30- 31 Octobre 2006.
5- 5th International conference of scientific research and its applications Cairo University December 21-24, 2009.
6- The first International Forum for Scientific Research IFSR Cairo University December 13-16, 2010.
7- Conference of National Research Center Cairo, Egypt Octobre 25- 27th, 2010 (Mycotoxicological Risks in Mediterranean Countries: Economic Impact, Prevention, Management and Control).
8- The 1st international scientific conference of pathology department, Sheraton dreamland conference center, April 25-27, 2013.
9- The 18th scientific conference of Egyptian Veterinary Medical Society (EVMS) for Pathology and Clinical Pathology, May 28, 2013.
10- The 11th Annual Congress Of Medical Sciences 17-19 December, 2013.National Research Centre, Medical Research Division.
11- The 1st Scientific Forum for Applied Medical Research Marketing. National Research Center. (Nile Ritz Carlton, Cairo- Egypt., December 17, 2016).
12- International Egyptian CZECH Conference on Nanotechnology Applications (IECCNA 2017),10-11 October, Faculty of Agriculture, Cairo University.