Andrew Lloyd Webber’s Really Useful Group has announced the upcoming appointment of ex-Harry Potter Chief Creative Officer, James McKnight, as its new Chief Executive Officer. McKnight will be joining the Really Useful Group in December after two years with Björn Ulvaeus’ company Pophouse Entertainment where he has led global brand strategy and entertainment R&D as Executive Creative Director. James will Continue his Relationship with Pophouse Entertainment as part of its Investment Advisory Committee. Press contact: DKC/O&M (212/695-7400)...