Picture is Copyright (C) 2004 Per Johan Johansen. All rights reserved.
- November 1983: Born in Harstad, Norway to a Polish mother and Norwegian father
- December 1983: First encounter with a home computer: father’s Sinclair ZX Spectrum (picture above is from 1986)
- 1998: Installed GNU/Linux for the first time: RedHat 5.0 (still have the CD)
- September – October 1999: Co-authored DeCSS with two European programmers
- January 2000: Received the Karoline award, which is awarded to high school students who have excellent grades and who have achieved something noteworthy in the arena of sports, art or culture
- June 2000: Quit high school after completing the first year with an average grade of 5.75 (best achievable grade being 6)
- January 2001: Reverse engineered the jazPiper Win2000 device driver and authored a jazPiper Linux driver
- April 2002: Accepted an EFF Pioneer Award which was awarded to the entire DeCSS team
- November 2003: Authored QTFairUse, an AAC memory dumper patch for Apple QuickTime
- December 2003 – January 2004: Reverse engineered Apple FairPlay v1 and authored an open source C implementation of FairPlay. The implementation found its way into several tools (m4p2mp4, playfair and hymn) and was most likely studied by RealNetworks to add FairPlay support to Harmony.
- May 2004: Reverse engineered FairPlay v2 and updated the open source C implementation
- April 2004: Authored DeDRMS, an open source C# implementation of FairPlay
- July 2004: Reverse engineered the iTunes Music Store protocol for downloading FairPlay user keys and authored FairKeys
- August 2004: Reverse engineered the Apple AirTunes protocol and authored JustePort
- March 2005: Co-authored PyMusique (an open source iTMS shopping client) with two American programmers
- March 2005: Reverse engineered the iTMS 4.7 protocol and updated PyMusique after Apple disabled support for older versions of the protocol in an attempt to shut out PyMusique
- March 2005: Authored SharpMusique (a C# port of PyMusique) at the request of Miguel de Icaza
- April 2005: Combined DeDRMS and FairKeys into JusteTune
- August 2005: Reverse engineered the encoding used in Microsoft’s NSC format and authored a decoder
- October 2005: Moved to San Diego, USA
- June 2006: Moved to San Francisco and joined DoubleTwist Ventures LLC.
- November 2006: Moved to Norway.
- June 2007: Moved back to San Francisco and co-founded doubleTwist Corporation (not related to DoubleTwist Ventures LLC).