In 1988, Professor Osman received his PhD from Gottingen University (Germany) in Fish Nutrition. In addition to the academic position, he had performed several consulting assignments in different feed factories. He was responsible for creating different fish feed formulas especially for tilapia, carp, mullet, sea bream, sea bass and shrimp. Since 2017 he is an aquaculture consultant for the USSEC in Egypt. In 2006, he worked as aquaculture consultant for the Minister of Agriculture and Land Reclamation. In 2008, he was loaned from the University to the Ministry of Agriculture as a Chairman of the General Authority for Fish Resources Development (GAFRD).In 2011, he was hired as President of the Agriculture Research Center (ARC).He is also Fellow of the Egyptian Academy of Scientific Research.