Josefsohn was born in Hamburg. He reached sudden prominence in the mid 90s with his striking, subtle, black-and-white portraits of young people done for the music television broadcaster MTV.
Josefsohn has directed short films for Tempo magazine, MTV, VIVA Plus (Peter Saville), the BKK (Mike Meiré) and Hamburger Kunstverein.
He has been a member of the German Art Directors Club since 1998 and a director and photographer with Trigger Happy Productions  since 2001.

In 2010 Daniel is having his first single photo exhibition at the Hamburger Kunstverein!