2 - Instructor, Dept. of Pharmacu. Faculty of Pharm. Cairo Univ. (1970-1975).
3 - Assistant Lecturer, Dept. of Pharmacy, Faculty of Pharm. , Cairo Univ. (1975-1979).
4 - Assistant Professor, Dept. of Pharmacy, Faculty of Pharm., Cairo Univ. (1979-1993).
5 - Pos-Doctoral Research Associate, Dept. of Pharmacu., College of Pharmacy, Univ. of Georgia, USA (1980-1981).
6 - Assistant Professor, Dept. of Pharmacu., Faculty of Pharmacy, King Saud Univ., Saudi Arabia ( 1983 – 1989).
7 - Associate Professor, Dept. of Pharmacy., Faculty of Pharmacy, Cairo Univ. (1993 – 2001).
8 - Professor, Dept. of Pharmacu., Faculty of Pharmacy, Cairo niv. (2001-date).
Teaching and supervising courses in pharmaceutics, industrial pharmacy, physical pharmacy, Pharmacokinetics, cosmetics, over the counter drug (OTC), the history of pharmacy, to graduate ad under graduate students of Faculty of pharmacy, Cairo Univ. , (1979, to date), King Saud Univ. (1983-1989) 6- October Univ. (1998-2001), Zagazig Univ. (1979 – 1980).
Advisor for several graduate students working for their master’s and Ph. D thesis at Faculty of Pharm. Cairo Univ. (1979 to date).
Teaching and supervising courses in industrial pharmacy and cosmetics of graduate students (Diploma) at Faculty of Pharm. Cairo Univ. (1979 to date).
Participating in the examiantion held for graduate and under-gradate students at Faculties of Pharmacy, Universities of Cairo, Alexandria, Mansoura, Assiut, Elminea, Helwan, Zagazig, Ain Shams, 6- October, MIU , King Saud, in Egypt and In Saudi Arabia ( Riyadh).
Participating in Several Academic and administrative responsibilities at Faculty of Pharmacy, Cairo, Zagazig and King Saudi Universities.
Participation in regulatory responsibilities for factory license committee, ministry of health, Egypt.
Attending in Conferences and Scientific meetings of Cairo University, Egyptian Association of Hospital Pharmacy, National Organization for Drug Control and Research NODCAR and others.
Honor and Professional Societies/ Associations/ Affiliations.
A membership of :
Performance Appraisal and Development unit (PADU-Pharm), Faculty of Pharmacy, Cairo Univ.
Library Committee, Faculty of Pharmacy, Cairo Univ.
Egyptian Syndicate of Pharmacists.
Egyptian Pharmaceutical Association.
Staff member Club of Cairo Univ.
Staff member Club of Egyptian Pharmacists.
Member of National club for physical Exercise, Cairo, Egypt.
Member of Zamalek club for physical Exercise, Cairo, Egypt.
Member of Ahly club for physical Exercise, Cairo, Egypt.
Member of el-Seed club for physical Exercise, Cairo, Egypt.
Points of interst in Researchs:
Liposomes, Neosome, phytosome.
Formulation of advanced Dosage Forms.
Sustained Release medications.
Tableting of pyridostigmine cyclodextrin complexes, bulletin fac. Pharm. Cairo univ., under publication. S.A.Nour, S.Y. Amin and H.K. Ibrahim.
Phytosomal Encapsulation of a Panax Ginseng Root Extract for Increasing its Efficacy and Safety, Egypt Pharm. J. (NRC),Vol 6,No,2,PP.205-223 (2007)
M.S. El Ridy, S.A.Yehia, R. El Ridy, D.M. Mostafa and M.H. Asfour.
Formulation and In Vitro Evaluation of Compression Coated Tablets for Colonic Delivery of Budesonide, The AAPS Journal Vol.9, abstract M1255, Publisher, American Association of Pharmaceutical Scientists, (2007)
Ibrahim E. Mohamed,Ahmed H. Elshafeey and Soad Y. Amin
Formulation and Evaluation of Fluconazole Mucoadhesive Buccal Films : In- Vitro / In- Vivo Performance, The AAPS Journal Vol,.8 NO. S2, Abstract T3172 (2006) .
Soad Ali Yehia, Omaima El- Gazayerly, Emad Baselious, M Slalh El