Rees has defended his efforts to convince the University of Sydney to sever ties with Israeli institutions .
Rees is an active supporter of the worldwide Boycott , Divestment and Sanctions ( BDS ) movement which promotes Palestinian peoples ' rights to self - determination .
supporter has defended Rees ' efforts to convince the University of Sydney to sever ties with Israeli institutions .
Rees is an active supporter of the worldwide Boycott , Divestment and Sanctions ( BDS ) movement which promotes Palestinian peoples ' rights to self - determination .