David Petraeus enters private-equity with KKR & Co

Former US Army general David Petraeus will head a new section of giant private-equity firm KKR, focusing on "macroeconomic forecasts, communications, public policy and advice on investments in emerging markets," reported Mike Spector for the Wall Street Journal Thursday.

The firm will lean on the four-star general and former CIA director for his experience and global connections.

The road from politics to the upper echelons of business is well-traveled. High profile US politicians including James Baker and George H.W. Bush made their way to global asset manager Carlyle Group after lengthy careers in the public sector.

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