Stephen John "Steve" Chalke, MBE (born 17 November 1955) is a British Baptist minister, the founder of the Oasis Charitable Trust, a former United Nations' Special Adviser on Human Trafficking and a social activist. Chalke is a Fellow of the Royal Society of Arts, and is also the author of a large number of books and articles as well as a former presenter and now regular contributor and commentator on television, radio and other media.