Complex sentence: In December 2008, Deborah Dugan (former president of Disney Publishing Worldwide) as the appointed Chief Executive Officer, which was part of a number of management changes to help sort out cashflow issues and allow the company to operate on a more stable footing.
Split into simpler sentences: In December 2008, the company appointed of Deborah Dugan, former president of Disney Publishing Worldwide, as its Chief Executive Officer (CEO). This was part of a number of management changes to remedy cashflow problems and allow the company to operate on a more stable footing.