English-born American author, editor, and blogger. Sullivan is a conservative political commentator, a former editor of The New Republic, and the author or editor of six books. He was a pioneer of the political blog, starting his in 2000. He eventually moved his blog to various publishing platforms, including Time, The Atlantic, The Daily Beast, and finally an independent subscription-based format. He announced his retirement from blogging in 2015. Sullivan has been a writer-at-large at New York since 2016.