Denyse O'Leary is a Toronto based journalist and author who covers events surrounding the intelligent design issue. Denyse O'Leary also authors the blog Post Darwinist which provides stories that she has found to be of interest in regards to intelligent design issue. The blog is used to augment and support her book By Design or by Chance? (Augsburg 2004). Denyse O'Leary also co-authors the blog Uncommon Descent which is an intelligent design focused blog which William Dembski helped found.