Kōji Sekimizu

Kōji Sekimizu is the kind of figure who quietly shapes the world while most people have never heard his name, and honestly that's kind of the whole deal with diplomacy. Born in Yokohama in 1952 — prime postwar Japan, a city practically built on international trade and foreign faces — he headed to Osaka University rather than the usual Tokyo conveyor belt, which already tells you something about the man. A Sagittarius going against the gravitational pull of the capital to eventually reach the international stage feels oddly fitting. His most recognized role was as Secretary-General of the International Maritime Organization, steering global shipping policy out of London through the 2010s, which is one of those jobs where if he's doing it right, nothing dramatic happens and container ships just keep moving. Low glamour, enormous real-world consequence. That's the diplomat's bargain, and from the looks of it, he took it seriously.

Kōji Sekimizu is a Japanese diplomat born on December 3, 1952, in Yokohama, Kanagawa Prefecture. He studied at Osaka University before pursuing a career in international diplomacy. He is noted as a professional whose work has left a documented record on the international stage. Physical details, agency affiliation, and personal information are not publicly available.

Name (English)

Kōji Sekimizu

Name (Japanese)

関水康司

Reading

せきみず こうじ

Born

December 3, 1952 (age 73)

Zodiac / Chinese zodiac

Sagittarius / Dragon (辰)

Origin

Yokohama, Kanagawa, Japan

Occupation

Diplomat

University

Osaka University

Motto

Private

• Wikipedia (Japanese)https://ja.wikipedia.org/wiki/%E9%96%A2%E6%B0%B4%E5%BA%B7%E5%8F%B8

Tags

• From Kanagawa
• Diplomat

Last updated

2026-06-02

Facts are limited to publicly available information up to 2024; non-public or unconfirmed items are omitted. English text is machine-assisted (facts translated by Sonnet, "My Take" written by Opus 4.8). The Japanese page is the source of record.