Håkon Wium Lie

Håkon Wium Lie
Håkon Wium Lie, March 2009
Born (1965-07-26) July 26, 1965
Halden, Norway
NationalityNorwegian
EmployerYesLogic
Known forCascading Style Sheets
WebsitePersonal homepage of Håkon W. Lie

Håkon Wium Lie (born July 26, 1965) is a Norwegian web pioneer, a standards activist, and the chairman of YesLogic, developers of Prince CSS-based PDF rendering software. He is best known for developing Cascading Style Sheets (CSS) while working with Tim Berners-Lee and Robert Cailliau at CERN in 1994. He was the chief technology officer of Opera Software from 1998 until the browser was sold to new owners in 2016.