By OGJ editors
HOUSTON, May 28 -- PetroWorth Resources Inc., Calgary, appointed Alan Graham as chairman.
Graham succeeds Colman O'Brien, who agreed to remain a director. O'Brien has been chairman since April 2007.
Graham served more than 31 years in public office until his retirement from politics in 1998. He is a former deputy premier and minister of agriculture and natural resources and energy in New Brunswick.