He graduated from Bahrain Petroleum Company 's Institute of Training and Occupational Development .
Khalifa Al Dhahrani was born in the town of Riffa , in central Bahrain , in 1942 .
Khalifa Al Dhahrani graduated from Bahrain Petroleum Company 's Institute of Training and Occupational Development .
Khalifa Al Dhahrani was born in the town of Riffa , in central Bahrain , in 1942 .