Michael Jay 'M.J.' Rosenberg is an American editor and commentator on the Middle East, based in Chevy Chase, Maryland. He spent six years early in his career as an official at AIPAC, followed by 15 years working on Capitol Hill in roles related to foreign policy and the Israel lobby. Transitioning to progressive advocacy, he contributed to organizations such as the Israel Policy Forum and Media Matters for America, where he became known for his critiques of pro-Israel lobbying influences in U.S. politics. Rosenberg has authored numerous articles, including pieces in The Nation highlighting issues like AIPAC's role in congressional dynamics. He engages publicly via social media, particularly on X (formerly Twitter) under the handle @rosenberg_mj, positioning himself as a vocal adversary to certain establishment figures in Washington foreign policy circles.