Worked as a business reporter at the Daily Yomiuri (now Japan News), an English-language newspaper of the Japanese national daily, the Yomiuri Shimbun, until 2002. Went to the UK and working as a freelance journalist, writing about journalism and politics. Columns in Yahoo! Japan and Newsweek Japan etc. Books include: "World History through national archives in Britain," "Real Power of the Financial Times" and "History of the British Media." Co-translated "Churchill Factor" (by Boris Johnson).