June 14, 2012 – Executive search firm The Caldwell Partners International Inc. has placed Jonathan Grimes as chief executive officer of Optimal IMX. Mr. Grimes was formerly senior vice president of mergers & acquisitions and president of Emergency & Hospital Medicine, TeamHealth. Optimal is a national market leader in providing full-service professional radiology services. Caldwell Partners, founded in 1970, provides human capital services to its clients through offices and partners in Vancouver, San Francisco, Los Angeles, Dallas, Calgary, Chicago, Atlanta, Toronto, Stamford, New York City, and a strategic presence in London.
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