1- A coordinator for International Workshop about the Neoproterozoic Pan-African Orogen, Eastern Desert, Egypt; Feb., 18-23, 2007.

2- A coordinator for Egyptian-German Workshop, “Materials Based Manufacturing Technologies”; May, 7-9, 2007.

3- A vice of chairman for symposium under theme: “Structural Geology and its relationship with the Mineralization and ores deposits”Thursday 17 Jun. 2008.

4- A coordinator for symposium under theme: “A promising Future for ores deposits in Egypt” Wednesday 20 Feb. 2008.