Graeme Simsion is an Australian author and screenwriter, best known for his debut novel, The Rosie Project. Released in 2013, the book became a bestseller and was praised for its unique blend of humor and romance. Simsion's writing often features themes of love, relationships, and the complexities of human behavior. In addition to The Rosie Project, Simsion has written several other novels, including The Rosie Effect and The Best of Adam Sharp. His work has been translated into multiple languages, reaching a global audience. Simsion's background in information technology and screenwriting influences his storytelling style.