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Born in Matsuyama, Ehime Prefecture, he was an AFS exchange student in high school, graduated with a liberal arts degree from the University of Tokyo and attended the John F. Kennedy School of Government at Harvard University. He spent three years working at the Economic Planning Agency (of which his father, Jun Shiozaki, was then director) and at the Bank of Japan. He then worked as a secretary to his father.
Following his father's resignation, he ran for the Diet in 1993 and was elected to represent the first district of Ehime. He served as Vice Minister of Foreign Affairs in the 2005 cabinet of Junichiro Koizumi and was appointed Chief Cabinet Secretary on September 26, 2006, and held the position until a cabinet shuffle at the end of August 2007.
- Masaki, Hisane (September 28, 2006). "Abe's multiple policy dilemmas". Asia Times. Archived from the original on May 4, 2011.
- Hirokawa, Takashi; Kato, Taku (August 29, 2007). "Abe Says Support Rates Are Sign of Public Approval With Cabinet". Bloomberg L.P. Archived from the original on May 4, 2011.
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|Chief Cabinet Secretary of Japan