* 1954 - 1989: Working career as an industrialist in the pharmaceutical industry in Egypt .

* 1989 - 1999: Pre-service-training at Ain Shams University Cairo /
..........................Faculty of Education / Chemistry Department:
                         Thousands of students learned how to  teach chemistry based on Microscale
                         Chemistry Experimentation performed by using vials, syringes and dropper bottles. 

* 1997: Workshop at  Wisconsin Chemical Education Institute / USA
*  1998: Research and Workshop at National Microscale Center Merrimack College, USA
*  1999 until now: Teacher and consultant (Ministry of Education of ARE, different schools), upgrading microscale experiments.

* Cooperation with Peter Schwarz resulting in this Internet presentation, in workshops at schools (Friedberg, Lauterbach) and at ..Justus-von-Liebig University, Gießen) in Germany, 
..workshops,  publications at the International Conferences on Chemical Education in Cairo, Budapest, Peking, Istanbul, Seoul  (1998 - 2006).