Complex sentence: Bänziger moved to California after graduating with a degree in graphic design, founding his own firm, Projekt Design, in 1990 and doing work for companies like K2 and Adidas.
Split into simpler sentences: Bänziger moved to California after graduating with a degree in graphic design. Banziger founded his own firm, Projekt Design, in 1990 while doing work for companies like K2 and Adidas.