Tim Murray succeeds Laurent Schmidt who has held the position since January 2010 and leaves the company to work in an advisory capacity for Bahrain's downstream aluminium industry.
Alba posted second quarter net profits of US$95m, down from $185m for the same period last year due to flat LME prices and higher gas costs.
Mahmood Hashim Al Kooheji, Alba's chairman, said that demand for aluminium was still healthy despite global economic uncertainty.
