Last week , he sent an e-mail message to Kenneth C. Griffin , chief executive of the Citadel Investment Group , saying that he was furious that Mr. Griffin had recently hired an employee away from a third hedge fund , Greenlight Capital . ''
Kenneth C. Griffin
Citadel Investment Group
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Citadel Investment Group
Kenneth C. Griffin
/business/company/founders
PERSON
Kenneth C. Griffin
ORGANIZATION
Citadel Investment Group
PERSON
Griffin