Complex sentence: At age 19 in 1999, he founded and began work in his own studio FrameboX and from 2000 to 2005, he studied media design at the University of Applied Sciences in Mainz.
Split into simpler sentences: At age 19 in 1999, he founded and began work in his own studio FrameboX. From 2000 to 2005, he studied media design at the University of Applied Sciences in Mainz.