Jon S. von Tetzchner
- Sex: Male
- Location: Unspecified
- Occupation: CEO and Co-Founder, Opera Software
- Status: Enjoying Opera 9.5.
- Member since: Oct 2001
Group memberships
- Young Global Leaders Moderator
- Fimir fætur Moderator
- MR - 6X 1987 Moderator
- Opera Employees Member
- Polska społeczność Opery Member
- Opera Platform Member
- YGL Education Task Force Member
- Choose Opera Member
- Kaldalóns Member
