Gregory David Roberts is an Australian author, most noted for his novel Shantaram. He was a heroin addict and convicted bank robber who escaped from Pentridge Prison and fled to India where he lived for ten years.Roberts lived in Melbourne, Germany and France, and finally returned to Mumbai, where he set up charitable foundations to assist the city's poor with health care coverage. Roberts was reunited with his daughter.He also wrote the original screenplay for the movie adaptation of Shantaram (2011) as well as the screenplay for the 2008 film Allegra, which is about the modern slave-trade of women.His new novel, The Mountain Shadow, continues the story of Shantaram and was published in October 2015.