The Asia Sentinel is an online blog focused on news, business, arts and culture in Asia. The site was launched in August 2006 in Hong Kong,^{[1][non-primary source needed]} and its assets were transferred to a U.S. registered company in 2017.

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The Asia Sentinel was founded in Hong Kong in August 2006 by four journalists from the United Kingdom and the United States who were based in Asia. The editor-in-chief, John Berthelsen, was formerly a correspondent with The Wall Street Journal Asia, as well as the Newsweek correspondent in Vietnam and managing editor of the Hong Kong Standard.^{[2][unreliable source?]} Co-founder Philip Bowring was formerly the editor of the Far Eastern Economic Review and a former columnist for the International Herald Tribune.^[3] Executive Editor A. Lin Neumann, a reporter, was formerly executive editor of The Standard and also represented the Committee to Protect Journalists in Asia.^{[citation needed]} Neumann left the Asia Sentinel in 2012.^{[citation needed]} The fourth founder, Anthony Spaeth, was previously a Time Asia regional correspondent, and left the Asia Sentinel shortly after its founding to work for Bloomberg.^[4]

In 2017, the publication's parent company in Hong Kong ceased operations, and assets were transferred to a new company, registered in California, that owns all newly written stories.^{[5][non-primary source needed]} In 2023, access to the Asia Sentinel was blocked in Singapore after it failed to comply with a POFMA order issued by the Singapore Government.^[6]