Co-founder and former CEO of Opera Software. He and Geir Ivarsøy were working at Telenor, a Norwegian telecommunications company, where they developed Opera, then called MultiTorg Opera.
In 2005, Opera CEO, Jon Stephenson von Tetzchner, announced that he would swim across the Atlantic from Norway to the US if the version 8 of web browser received a million downloads in 4 days. The number was reached in just 2 days and Tetzchner went ahead with the challenge, though in vain. [more...]