Joichi Ito (伊藤穰一 Itō Jōichi*, born June 19, 1966), nicknamed Joi Ito, is a Japanese-born and American-educated entrepreneur.

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In the spirit of disclosure, here are all of my venture investments and roles. I have also listed my non-profit roles.

Roles

• Board Member, Technorati
• Chairman, Six Apart Japan
• Board Member, Digital Garage
• CEO, Neoteny Co., Ltd.
• Board Member, Socialtext
• Board Member, BUG
• Board Member, Etology
• Board Member, Brainsellers
• Board Member, Neoteny Venture Development
• Board Member, CGM Marketing
• Board Member, Storyplanet
• Board Member, Fotonauts

• Advisory Roles/Advisory Boards
• Advisory Board, BitTorrent
• Advisory Board, Mindjack
• Security Committee, Kakaku.com
• Adviser, TelEvolution
• Adviser, Flowgram

Investments

Companies where I have a > 5% stake are marked with an "M" (this is not exact since the calculation of "stake" is unclear and the percentages fluctuate)

• Via Neoteny
• M - Six Apart
• Beatcraft
• M - fyto
• Mediaprobe
• Brainsellers
• Generation Create
• M - Neoteny Venture Development
• Via Digital Garage
• Twitter
• Direct investments US
• Kongregate
• M - Technorati
• Socialtext
• Wikia
• Game Layers
• Etology
• TCHO
• Neutral Net
• M - Storyplanet
• Flowgram
• Fotonauts
• Direct investments Japan
• M - Neoteny
• Digital Garage
• Infobahn
• SkyWave
• M - Loftwork
• Cerego
• Other Direct investments
• Dopplr
• M - GuardTime
• Investments through funds
• Fortify
• Exited
• PSINet Japan - acquired by Cable and Wireless
• Infoseek Japan acquired by Disney then by Rakuten
• Digital Garage - IPO 2000
• Good - acquired by Motorola
• NetAge - IPO 2006
• Infoteria - Went public 2007
• flickr - acquired by Yahoo
• last.fm - acquired by CBS
• Jaiku - acquired by Google
• ThreeSF aka Rupture - acquired by Electronic Arts

Non-profit organizations

• CEO, Creative Commons
• Board Member, WITNESS
• Board Member, iCommons
• Board Member, Mozilla Foundation
• Board Member, Mozilla Japan
• Board Member, Nishimachi International School
• Board Member, ZeroOne Art and Technology Network
• Board Member, Enjin01, Cultural Strategy Council (Japan)
• Board Member, Global Voices
• Board Member, Computer Professionals for Social Responsibility
• Board Member Emeritus, Open Source Initiative
• Advisory Board Member, Metabrainz Foundation

Other non-profits I support

• Wikimedia Foundation
• Archive.org
• The Electronic Frontier Foundation

Government Roles

• The Japanese Ministry of Public Management, Home Affairs, Posts and Telecommunications study group on the Basic Resident Registers Network member
• The City of Yokohama Commission of Inquiry on Personal Data Protection