Dan Kogai

Dan Kogai (小飼弾, Kogai Dan, 1969 - ^?) is a Japanese open-source developer and alpha blogger, known for his blog 404 Blog Not Found (ranked #5 in Japan^[1]). He is also the former CTO of Livedoor.^[2]

Background

Kogai went to middle school, but he had problems with formal education and skipped classes.^[3] Immediately after he graduated from middle school at the age of 16 he passed the high-school equivalence exam, and up until age 18 he spent his time teaching senior students as a tutor and cram school teacher.^[4] He then entered the University of California, Berkeley.

During his fourth year at university, his family's home burnt down, and he left school.^[5] He made a living with the computer skills he had learnt at university, and at age 29 was headhunted by Takafumi Horie to join Livin' On the Edge (now Livedoor).^[5]

Works

Self-authored

• Kogai,Dan (2003). tatsujin ni manabu Perl/CGI dōjō. Impress Communications. ISBN 4844317423. 
• Kogai,Dan (2008). kogai dan no arufagiiku ni atte kita. Gijutsu-Hyohron. ISBN 477413452X. 

Co-authored

• Kogai,Dan (2006). marugoto Perl! Vol.1 -- Web 2.0 wo purogramingu shiyō. Impress Communications. ISBN 4-8443-2289-3. 
• Kogai,Dan (2006). Web 2.0 tsūru no tukaikata -- mada, Google dake desu ka?. Gijutsu-Hyohron. ISBN 4-7741-2908-9. 
• Kogai,Dan (2007). marugoto JavaScript&Ajax! Vol. 1. Impress Communications. ISBN 4-8443-2364-4. 
• Kogai,Dan (2007). 2channeru wa naze tsuburenai no ka?. Fushosha. ISBN 4-5940-5388-2. 
• Kogai,Dan (2008). dangen - seikō suru jinsei to baransu shiito no tsukaikata. Aspect. ISBN 4-7572-1533-9. 

References

1. ^ "Japan's Top 50 Blogs", Asiajin, August 18, 2008.
2. ^ Profile of Dan Kogai, O'Reilly Open Source Convention, 2005
3. ^ Kamihitoe, May 10th, 2008 (in Japanese).
4. ^ Daigaku ikitakattara gakkō ikanyaka ii no ni Oct. 27, 2006 (in Japanese).
5. ^ ^{a b} Kogai, Dan - Errata, Addeda & FAQ May 17, 2005 (in Japanese).

External links

• Homepage in English
• 404 Blog Not Found (Japanese)
• 404 Diary Not Found (Japanese)
• 404 Bookmark Not Found (Japanese)
• Dan Kogai's Twitter feed (Japanese)

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