Dubai: Saudi Arabia’s PetroRabigh said on Sunday it had appointed Nasser Al Mahasher as the company’s president and chief executive officer after the resignation of Abdullah Bin Saleh Al Suwailem from the position. According to the statement, Al Mahasher was previously chief executive officer of S-Oil Corporation, a South Korean-headquartered petroleum and refinery company. The change will become effective from September 1, PetroRabigh said in the statement.