Peter Wallenberg, Jacob's father, became Investor's chairman in the 1980s and transformed it into a diversified investment company.

ECONOMIST: The Wallenbergs: Sweden's enduring business dynasty | The

For the past 15 years, that restraint has hardly been tested, since the chairman has been the family's chieftain, Peter Wallenberg.

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While the companies controlled by the family have been keen to introduce new compensation packages, patriarch Peter Wallenberg and his talented sons Jacob and Marcus aren't the kind of owners to transfer an undue amount of wealth from their own pockets to those of their hired hands.

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