By OGJ editors
HOUSTON, Feb. 1 -- Chevron Corp. has appointed Mike Wirth as executive vice-president, downstream, to succeed Patricia Woertz, who is retiring.
Wirth will take his new post Mar. 1. Since January 2004, he has worked as Chevron's president of global supply and trading.
Wirth joined Chevron in 1982 as a design engineer. He advanced through numerous engineering operations and planning positions in the US downstream.