He studied acting for three years in Stuttgart. In 2005 Joscha was seen
on the Das Erste-Show Ein Fall für B.A.R.Z and Fabrixx. One year later
he had the main role in the motion picture Locked. He played theater
from 2004 to 2006. In late 2007 he joined the soap opera Verbotene
Liebe in the contract role of Sebastian von Lahnstein.