BILLIONAIRE MOHAMED BIN Issa Al Jaber is among the richest men in Saudi Arabia. His conglomerate MBI International has interests in many sectors, with companies including JJW Hotels & Resorts, food group AJWA, real estate developer Jadawel International and oil field service and petroleum management company Continentoil. MBI currently has a net asset value in excess of $9 billion, employing over 9,000 staff across three continents.