Aon Benfield promotes two executives to oversee China unit

HONG KONG—Aon Benfield, the reinsurance unit of Aon Corp., has promoted Henry To and Stephen Warwick in its Asia/Pacific division, the broker announced Friday.

Mr. To has been named nonexecutive chairman of Greater China. Previously, he was CEO of Greater China.

Mr. Warwick succeeds Mr. To as CEO of Greater China. Previously, he was managing director of treaty and specialty lines for Asia/Pacific.

Both will be based in Hong Kong.