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beyond tellerrand // DÜSSELDORF 2019

Logo of beyond tellerrand // DÜSSELDORF 2019 beyond tellerrand // DÜSSELDORF 2019

13th to 15th May 2019

Düsseldorf, Germany

Part of the beyondtellerrand series

Tantek Çelik

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Tantek Çelik has been active in open web standards innovation, development, and advocacy for over 20 years. He is currently Web Standards Lead at Mozilla, community leader of &, and participates in the World Wide Consortium (W3C) Cascading Style Sheets (CSS) Working Group. He is the author of HTML5 Now: A Step-By-Step Tutorial for Getting Started Today (New Riders: 2010). He co-edited the W3C Recommendations CSS 2.1, CSS3 Color, & CSS3 UI, co-founded GMPG, BarCamp,, and was Chief Technologist at Technorati. Tantek lives in San Francisco, and has bachelor's and master's degrees in Computer Science from Stanford University, as well as a strong background in human interface and user-centered design from his many years at Apple Computer. He shares his thoughts at


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