Charles H. Dangelo was named vice president of reinsurance at American International Group Inc.
His appointment is immediate, the New York-based insurer said.
Mr. Dangelo replaces Christian Milton, who was fired by AIG when he failed to cooperate with regulators investigating an AIG reinsurance deal.
Mr. Dangelo most recently served as president of AIG Global Risk Management Inc.
He has been with the company since 1995, when he began as head of the Domestic Brokerage Group Primary Casualty /Risk Management Unit.
Louis P. Iglesias succeeds Mr. Dangelo as AIG Global Risk president from his prior post as president of AIG Environmental.