Hiroki Matsuo

Hiroki Matsuo is the kind of person who makes you realize how little you think about what diplomacy actually costs. Born in 1963, a Waseda grad, and quietly slotted into a world where your whole job is to be invisible at the exact moments that matter most — that's a very specific calling. From Toyama to the consulate in Los Angeles and, since 2023, the Consul-General's post in Saint Petersburg, his path honestly tracks: the best diplomats aren't the ones giving press conferences, they're the ones in rooms you never hear about, keeping conversations alive that could otherwise collapse. I find that genuinely impressive in an era where everyone's optimizing for visibility. No highlight reel, just decades of painstaking work representing Japan abroad. There's something almost stubbornly admirable about a career built entirely on substance over signal.

This take was written by generative AI, one per person, from publicly reported facts (editorial policy). It is a reading of the record, not reporting.

Hiroki Matsuo (born November 12, 1963) is a Japanese diplomat from Toyama Prefecture. A Waseda University graduate, he served as consul at the Consulate-General in Los Angeles and in the international affairs office of the Board of Audit, and has been Consul-General in Saint Petersburg since June 2023.

Name (English)

Hiroki Matsuo

Name (Japanese)

松尾浩樹

Reading

まつお ひろき

Born

November 12, 1963 (age 62)

Origin

Toyama Prefecture, Japan

Occupation

Diplomat

Zodiac / Chinese zodiac

Scorpio / Rabbit

University

Waseda University

• Wikipedia (Japanese)https://ja.wikipedia.org/wiki/%E6%9D%BE%E5%B0%BE%E6%B5%A9%E6%A8%B9
• Wikidatahttps://www.wikidata.org/wiki/Q125416856

Tags

• Diplomat

Last updated

October 18, 2026

Only publicly available facts are listed; non-public or unconfirmed items are omitted. Base data was compiled from Wikidata from June 2026 onward; ages are recalculated daily and deaths are checked against Wikidata on an ongoing basis. English text is machine-assisted (facts translated by Sonnet, "My Take" written by Opus 4.8). The Japanese page is the source of record.