Washington Post owner Jeff Bezos on Wednesday announced a “significant shift” to the publisher’s opinion page that led David Shipley, the paper’s editorial page editor, to leave the paper.

In an email and social media post, Jeff Bezos outlined dramatic changes to The Washington Post’s opinions section, and announced that opinions editor David Shipley has resigned.

Jeff Bezos, Amazon founder and owner of Post, has said in a memo to the staffers that the paper's opinion pages will now focus exclusively on promoting "personal liberties and free markets"