Milo Yiannopoulos is a British journalist, author, entrepreneur, public speaker, and senior editor for Breitbart News, a far-right news and opinion website based in the United States. He wrote previously using the pseudonym Milo Andreas Wagner. Yiannopoulos founded The Kernel, an online tabloid magazine about technology, which he sold to Daily Dot Media in 2014. He rose to notability that year when he began to provide media coverage and commentary surrounding the Gamergate controversy. As a "cultural libertarian" and "free speech fundamentalist," he is a vocal critic of fourth-wave feminism, Islam, social justice, political correctness, and other movements and ideologies he deems authoritarian or belonging to the "regressive left." Yiannopoulos has been called a spokesperson for the alt-right, although he denies this even if he recognises that he may share some of their political views. He considers himself a reporter of and "occasional fellow traveller" with the movement. He was permanently banned from Twitter in July 2016 for what the company cited as "inciting or engaging in the targeted abuse or harassment of others.

" Yiannopoulos is also a popular YouTuber with predominantly conservative/libertarian content. As of February 6, 2017 he has over 500,000 subscribers.