Jim Shooter is an American comic book writer and editor, best known for his work with Marvel Comics and Valiant Comics. He began his career in the 1960s and became the editor-in-chief of Marvel at the young age of 14. Shooter is credited with creating and developing several popular characters, including The Punisher and Spider-Woman. In addition to his writing and editing, Shooter played a significant role in the rise of Valiant Comics in the early 1990s, where he helped establish a new universe of superheroes. His contributions to the comic book industry have made him a notable figure in the field.