Paramount Pictures, a unit of Viacom Inc., announced that David Stainton, president of Paramount Animation, has resigned for personal reasons, Deadline reported.

Adam Goodman, president of the Paramount Motion Picture Group, said: “We are grateful for the time David spent at the studio and we wish him well in his future endeavors.” Goodman will directly oversee the animation development team moving forward.

In 2011, Paramount released Rango, the company’s first fully owned CGI animated property, which grossed more than $240 million worldwide and earned an Academy Award nomination for Best Animated Feature. The studio also helped finance and distribute The Adventures of Tintin, an animated film from director Steven Spielberg and producer Peter Jackson, which has grossed $372 million worldwide.