Owen Thomas, president of Morgan Stanley Investment Management, was named CEO of Morgan Stanley Asia, effective at the end of this month, the company announced today. Mr. Thomas had been president of MSIM since December 2005. He will relocate to Hong Kong from New York. Managing directors Stuart Bohart, Jay Mantz and Stephen Trevor will assume Mr. Thomas duties at MSIM. Messrs. Mantz and Trevor will continue to co-head the merchant banking group, which is composed of real estate investing, private equity and infrastructure, while Mr. Bohart will head all MSIM business outside of merchant banking, according to a news release. All three will serve on MSIMs management committee.