Vice Dean for Community Service and Environment Development August 17, 2015 - now), Faculty of Agriculture, Alexandria University, Egypt.
Professor (2012 - now), Animal and Fish Production Department, Faculty of Agriculture, Alexandria University, Egypt.
Visiting Professor at University of Sao Paulo (USP), Center of Nuclear Energy and Agriculture (CENA), Brazil, supported by CNPq July 10-29, 2012.
Executive manager of The Milk Production Project, Animal and Fish Production Department, Faculty of Agriculture, Alexandria University (2010 – 2015)
Visiting Professor, University of Sao Paulo, Center of Nuclear Energy and Agriculture (CENA), Brazil, supported by CNPq from March to June 2010.
Visiting Professor at University of Sao Paulo (USP), Center of Nuclear Energy and Agriculture (CENA), Brazil, supported by FAPESP from April 2007-2008.
Postdoctoral fellowship supported by TWAS/CNPq, University of Sao Paulo (USP), Center of Nuclear Energy and Agriculture (CENA), Brazil from
