Steffen Christensen

About

Steffen Tiedemann Christensen is a co-founder and CTO of 23, a Danish, bootstrapped startup building product for visual sharing. At 23, Steffen has helped launch the personal photo sharing service [23](http://www.23hq.com) in 2005 and [23 Video](http://www.23video.com), an organizational video hosting service, in 2009.

Investment Focus

Stages

seed

Location

Copenhagen, Denmark