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Photo of Hans Reiser

Photo: Goran Zec / CC BY-SA 2.0 (source: Wikimedia Commons)

Hans Reiser

ハンス・ライザー / はんす・らいざー

American programmer

December 19, 1963 (age 62) ・ Oakland, California, United States

  • California
  • programmer
  • entrepreneur
  • computer scientist

My Take

Hans Reiser is one of the hardest people to write about. A Berkeley-trained computer scientist from Oakland, he earned real renown as the brilliant programmer behind the ReiserFS file system. Then, in 2008, he was convicted of the first-degree murder of his wife, Nina. I cannot separate the technical gift from the line he crossed as a human being, and I won't pretend to. His story is a sobering reminder that exceptional intelligence guarantees nothing about character or decency. I record him here without admiration, as a figure who carried both dazzling talent and irredeemable darkness in the same life.

1. Profile

Name (English)
Hans Reiser
Name (Japanese)
ハンス・ライザー
Reading
はんす・らいざー
Born
December 19, 1963 (age 62)
Zodiac / Chinese zodiac
Sagittarius / Rabbit
Origin
Oakland, California, United States
Blood type
Private
Height
Private
Agency
Private
Occupation
programmer / entrepreneur / computer scientist / murderer

2. Background

Elementary school
Private
Junior high
Private
High school
Private
University
University of California, Berkeley

3. Relationships

Spouse
Private
Children
Private
Parents
Private
Siblings
Private

4. Personality

Motto

Private

Frequently asked questions

When was Hans Reiser born?

Born December 19, 1963 (age 62).

Where is Hans Reiser from?

Hans Reiser is from Oakland, California, United States.

What does Hans Reiser do?

Hans Reiser works as programmer, entrepreneur, computer scientist, murderer.

Programmer — see all → · Entrepreneur — see all → · More people from United States →

7. About this entry

Tags

  • California
  • programmer
  • entrepreneur
  • computer scientist
Last updated
2026-06-21

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.