AOC Aon Corp.

CHICAGO, March 6 /PRNewswire-FirstCall/ -- Aon Consulting Worldwide, the global human capital consulting organization of Aon Corporation (NYSE:AOC), today announced that Lisa Caldwell has joined its U.S. division as chief operations officer, a newly created role within Aon Consulting. (Logo: http://www.newscom.com/cgi-bin/prnh/20041215/CGW049LOGO) Caldwell, 44, brings nearly 20 years of industry experience to Aon Consulting. As COO, she will be responsible for overseeing business operations and major U.S. corporate initiatives. Caldwell joins Aon Consulting from BearingPoint, where she was the executive vice president of Commercial Services. Prior to joining BearingPoint, she worked at EDS as vice president of Solutions Consulting and at Deloitte Consulting as partner. Throughout her career, Caldwell has successfully led programs in support of strategic planning, business model development, outsourcing strategy and management, and technology cost management. "Lisa is a proven leader and has a strong track record of success in implementing business and technology solutions," said Kathryn Hayley, CEO of Aon Consulting Worldwide. "Lisa's arrival further emphasizes Aon's commitment to building a team of unmatched talent and delivering distinctive client service." Caldwell, based in Chicago, will report to Hayley. Caldwell earned a bachelor's degree in engineering from Oakland University - Dodge School of Engineering and a master's degree in business administration from the University of Michigan. She has also served on the Board of Directors for the National Association of Manufacturers, Michigan Council of Women in Technology and the nonprofit organization MINDS. About Aon Aon Corporation (NYSE:AOC) is the leading global provider of risk management services, insurance and reinsurance brokerage, human capital and management consulting, and specialty insurance underwriting. Through its 43,000 professionals worldwide, Aon readily delivers distinctive client value via innovative and effective risk management and workforce productivity solutions. Our industry-leading global resources, technical expertise and industry knowledge are delivered locally through more than 500 offices in more than 120 countries. Aon was ranked by A.M. Best as the number one global insurance brokerage in 2007 based on brokerage revenues, and voted best insurance intermediary, best reinsurance intermediary, and best employee benefits consulting firm in 2007 by the readers of Business Insurance. For more information on Aon, log onto http://www.aon.com/. About Aon Consulting Aon Consulting Worldwide (http://www.aon.com/hcc) is among the top global human capital consulting firms, with 2007 revenues of $1.352 billion and 6,335 professionals in 117 offices worldwide. Aon Consulting is shaping the workplace of the future through benefits, talent management and rewards strategies and solutions. Aon Consulting was named the best employee benefit consulting firm by the readers of Business Insurance magazine in 2006 and 2007. Media Contact Sara Carlson 312-381-5045 http://www.newscom.com/cgi-bin/prnh/20041215/CGW049LOGO http://photoarchive.ap.org/ DATASOURCE: Aon Corporation CONTACT: Sara Carlson of Aon Corporation, +1-312-381-5045, Web site: http://www.aon.com/

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