Opera Founder Jon S. von Tetzchner Resigns Over Differences With Board Opera founder Jon S. von Tetzchner has resigned from the company. In an email to Opera employees, von Tetzchner said that “It has become clear that The Board, Management and I do not share the same values and we do not have the same opinions on how to keep evolving Opera. As a result I have come to an agreement with the Board t