sentences:  Tatanaki serves as chairman of the oilfield drilling company Challenger Limited.Educated and raised in the United Kingdom, Tatanaki has directed his private philanthropic efforts toward humanitarian relief for Arab and African states in crisis and to promote moderate interpretations of the Muslim faith.Tatanaki provided the seed funding for Cairo-based Azhari TV, a new satellite television channel launched in August 2009 during the start of Ramadan.