 He was among the pioneers of the Islamic movement in the 1950s and the head of the Islamic Action Front (Lebanon).He is regarded as Islamic Group (Al Jemaah Islamiyah)'s grandfather and leading ideologue.He initiated a political effort between Prime Minister Fouad Siniora and his allies on the one hand and the opposition in a bid to end the rule crisis in the wake of the 2006 Israeli war on Lebanon.