"When I joined the company in July 2013, Mark and I shared a vision of building a meaningful company that redefines entertainment in an increasingly mobile world," said Mattrick. "I am proud of the progress we have made together. I believe the timing is now right for me to leave as CEO and let Mark lead the company into its next chapter given his passion for the founding vision and his ability to couple our mobile progress with Zynga's unique strengths. As a company, Zynga is in a stronger position today to serve mobile consumers and take advantage of the unprecedented growth opportunity across our industry. I am excited about the company's trajectory and wish the best for Mark, Zynga and NaturalMotion as I plan to return to Canada to pursue my next challenge."