Hachette Book Group USA has announced their succession plan as chairman and ceo for the past seven years David Young prepares to return to the UK next year to rejoin his family (who relocated back there some time ago). As of April 1, 2013, Young will relinquish the post of ceo, while remaining as chairman. Thereafter, Young expects to be in the US approximately one week a month. Little, Brown publisher Michael Pietsch will take over as ceo of HBG USA on April 1, 2013, still reporting to Young–though he will have “full responsibility for the company’s profitability and direction.” […]