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Satoshi Ishii

石井慧 / いしい さとし

Japanese Olympic judoka turned professional combat sports athlete

December 19, 1986 (age 39) ・ Ibaraki-machi, Ibaraki Prefecture, Japan

  • From Ibaraki Prefecture
  • Judoka
  • Mixed Martial Artist
  • Kickboxer

My Take

I'll be honest, Satoshi Ishii is one of those guys whose whole vibe is "I'm bored at the top, so I'm leaving." Win Olympic judo gold in Beijing at 21, get handed a national medal of honor, and then... walk off the tatami straight into pro MMA, where you basically start from scratch and eat losses in public. That's either reckless or fearless, and I kind of love that it's both. The judo, the MMA, the kickboxing, the boxing — the man just refuses to stay in one lane. He talks blunt, plants himself dead center at 180cm, and clearly doesn't care if you think he's stubborn. He took plenty of heat over the years, but I'd rather watch someone faceplant chasing what they actually want than coast on a gold medal forever. Pure Sagittarius restlessness, and I'm here for it.

Overview

Satoshi Ishii is a Japanese judoka and combat sports athlete born on December 19, 1986, in Ibaraki-machi, Ibaraki Prefecture. He competed in judo at the highest level before transitioning to mixed martial arts, kickboxing, and boxing. He was awarded the Order of the Purple Ribbon in 2008, one of Japan's most prestigious civilian honors. He studied at Kokushikan University.

1. Profile

Name (English)
Satoshi Ishii
Name (Japanese)
石井慧
Reading
いしい さとし
Born
December 19, 1986 (age 39)
Zodiac / Chinese zodiac
Sagittarius / Tiger (Tora)
Origin
Ibaraki-machi, Ibaraki Prefecture, Japan
Blood type
Private
Height
180cm
Agency
Private
Active years
Unknown
Occupation
Judoka / Mixed Martial Artist / Kickboxer / Boxer

2. Background

Elementary school
Private
Junior high
Private
High school
Private
University
Kokushikan University
Debut
Unknown

Awards & achievements

  • 2008 — Order of the Purple Ribbon (紫綬褒章)

3. Relationships

Spouse
Private
Children
Private
Parents
Private
Siblings
Private

4. Personality

Motto

Private

7. About this entry

Tags

  • From Ibaraki Prefecture
  • Judoka
  • Mixed Martial Artist
  • Kickboxer
Last updated
2026-06-02

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