James Francis Gunn Jr. is an American filmmaker and studio executive. He began his career as a screenwriter in the mid-1990s, starting at Troma Entertainment with Tromeo and Juliet (1997). He then began working as a director, starting with the horror-comedy film Slither (2006), and moving to the superhero genre with Super (2010), Guardians of the Galaxy (2014), Guardians of the... Wikipedia