Newsbrief: In the midst of an exodus at social games giant Zynga, the company this week revealed the appointment of a new chief creative officer to replace Mike Verdu, according to AllThingsD. Tim LeTourneau was previously in charge of development on FarmVille 2 at the company. In his new role, he'll continue to oversee work on the game, while also concentrating on game design across all Zynga titles. LeTourneau replaces Verdu, who left in August to start his own game company, after shaping major titles like Empires & Allies, FrontierVille, and CastleVille. The promotion comes as Zynga faces multiple executive departures in the last few months, including VP of business development Jonathan Flesher just this week.