HUMAN FACTORS

HUMAN FACTORS

Calleo, a London-based international management and IT services consultancy, has named David Varrow its business development manager. Varrow will be primarily responsible for the company’s expansion within the financial services sector. Prior to joining Calleo, Varrow worked at OMR Systems, where he developed a large percentage of its existing client base.

Karen Ogulnick has been promoted to vice president of Nymex Access, the New York Mercantile Exchange’s electronic trading system. Ogulnick

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