Complex sentence: Saleh Abdullah Kamel is the chairman of the General Council for Islamic Banks and a Saudi businessman estimated to be worth in the neighborhood of $2.6 billion, who was the subject of government scrutiny over his possible ties to terrorist activity after 9/11.
Split into simpler sentences: Saleh Abdullah Kamel is the chairman of the General Council for Islamic Banks and a Saudi businessman. He is estimated to be worth about $2.6 billion, and was the subject of government scrutiny over his possible ties to terrorist activity after 9/11.