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Oliver Wyman interview preparation: the inside story

Management Consulted

Like Mercer, Oliver Wyman is a subsidiary of parent company Marsh & McLennan Companies, who also own Lippincott, NERA Economic Consulting, and other businesses. In the meantime, Marsh & McLennan was creating Mercer; in 1975, Mercer was developed as the human resources consulting arm of Marsh & McLennan.