Chicago-based insurance broker Aon Corporation announced yesterday that Reiji Ohtaki has been named chief executive officer for Aon Consulting Japan, a subsidiary of Aon Consulting Worldwide.

Mr. Ohtaki, 55, the company said, has more than 25 years of industry experience. He will be responsible for leading Aon Consulting Japan’s business in benefits, rewards and the broader human resources area.

Mr. Ohtaki was with Hay Group and led Hay’s Asia business since 2005. Prior to Hay, Mr. Ohtaki worked at Mercer, where he held various senior management positions for more than 15 years, including CEO for Mercer Japan and regional leader for Mercer’s business in Asia.

Edouard Merette, chief executive officer of Aon Consulting Asia Pacific, in a statement said Mr. Ohtaki’s experience in the human capital industry both in Japan and across the Asia Pacific region will make him an “asset in the growth and development of services for our clients in Japan.”