Manager of the branch of the designated Syrian Scientific Studies and Research Centre (SSRC/CERS) near Jumraya/Jmraiya. He has been involved in the proliferation of chemical weapons and the organisation of chemical weapons attacks, including in Ghouta in Aug 2013. He therefore shares responsibility for the violent repression of the Syrian population. As manager of the SSRC/CERS branch near Jumraya/Jmraiya, Ghassan Abbas provides support to the Syrian regime. As a result of his senior position in the SSRC, he is also associated with the designated entity SSRC.