Following a controversial tenure at GM, Ewanick will serve as Fisker's interim chief of global sales and marketing.

Former General Motors marketing head Joel Ewanick will join Fisker as interim chief of global sales and marketing for the luxury plug-in hybrid automaker.

Ewanick comes to Fisker following a rocky stint at GM that ended with his abrupt departure from the company in July for undisclosed reasons. Subsequent reports have alleged that he was fired over the handling of a controversial sponsorship deal with English soccer club Manchester United.

After working with Fisker as a marketing consultant for the previous six weeks, Ewanick will step up to replace Richard Beattie, who is retiring. Ewanick will continue in the role until the automaker can find a permanent replacement for Beattie.

"As we seek to appoint a long-term successor, there is no one better than Joel, with his wealth of motor industry experience and knowledge to guide us through this interim period," Fisker CEO Tony Posawatz said in a statement issued to Automotive News.

Prior to his time with GM, during which he made the contentious decisions to pull advertising from Facebook and suspend all Super Bowl ads, Ewanick held positions with Nissan and Hyundai.