One of the most important Arab businessmen. Chairman of MBI, which has assets worth $ 8 billion, and its activities spread in Europe and the Middle East and the United States. The group includes giant global Gadawil for real estate, JJW hotels and resorts, Ajwa Group which is one of the largest food companies in the Middle East. In addition to the Continental Corporation, the international company for oilfields services, and management of oil resources, which has offices in the United States and the United Kingdom.
Al Jaber known for his love of humanitarian work, where he donated a lot for charitable associations and institutions, and provided scholarships in some educational institutions that are considered among the best in the world, through his foundation "MBI Charities". He is the founding sponsor of London's Middle East Institute of African and Eastern Studies. He also provided generous contributions to the establishment of new premises for the Dar al-Hikma College in Jeddah, and the University of Effat, Korabs. There is a building bears his name in Christie College of the University of Oxford in the UK, also several lecture rooms at the University of UCL bears his name, and in others.