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American International Group, Inc. has appointed Charles Williamson as president of the ÌìÃÀÍøÕ¾´«Ã½´«Ã½ Private Client Group, which serves the insurance and risk management needs of high net worth individuals. He succeeds Ross Buchmueller, who has left the organization.

Christopher L. Sparro, who had served as the zonal executive for Domestic General Insurance in the ÌìÃÀÍøÕ¾´«Ã½´«Ã½ Greater New York Region, succeeds Williamson as president of ÌìÃÀÍøÕ¾´«Ã½´«Ã½ WorldSource, which serves the insurance needs of U.S.-based clients with international exposures as well as foreign clients with U.S. exposures. Douglas M. Worman, who had been president of the public company management liability division of ÌìÃÀÍøÕ¾´«Ã½´«Ã½’s National Union Fire Insurance Company of Pittsburgh, Pa., succeeds Sparro as zonal executive for the Greater New York region.

Williamson joined the ÌìÃÀÍøÕ¾´«Ã½´«Ã½ Companies in 1988 and has served as senior vice president, domestic brokerage group sales and marketing, executive vice president of the excess casualty unit of ÌìÃÀÍøÕ¾´«Ã½´«Ã½’s American Home Assurance Company, and senior vice president, casualty, for ÌìÃÀÍøÕ¾´«Ã½´«Ã½ Risk Management.

Christopher Sparro joined the ÌìÃÀÍøÕ¾´«Ã½´«Ã½ Companies in 1990 and has held several senior level positions in National Union’s management liability division, as well as president of ÌìÃÀÍøÕ¾´«Ã½´«Ã½’s Domestic Brokerage Group middle market division and commercial accounts division.

Douglas Worman, who joined National Union in 1992 as a management liability underwriter, had held positions of increasing responsibility within National Union.

The ÌìÃÀÍøÕ¾´«Ã½´«Ã½ Private Client Group and ÌìÃÀÍøÕ¾´«Ã½´«Ã½ WorldSource are divisions of the property and casualty insurance subsidiaries of American International Group, Inc.

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