Ronnie del Carmen joined Pixar Animation Studios in the summer of 2000 during the production of Finding Nemo and became a story supervisor on the film. He did production design on the Academy Award-nominated short film, One Man Band and story work on Oscar-winning, Ratatouille.Del Carmen was Head of Story on Disney/Pixar's Academy Award winning feature, Up and is the co-director of Disney/Pixar's Inside Out.