Graeme Simsion

Graeme Simsion is a New Zealand-born Australian author, screenwriter, playwright and data modeller, born in 1956. Simsion is best known for The Rosie Project, a contemporary romance about Don Tillman, a man who treats finding a partner as a system to design, only to find real life won't follow the plan. The second book in the series, The Rosie Effect, returns to Tillman, and Simsion has also written for stage and screen.