Complex sentence: Dr. Martin Griss was appointed the new director of the Silicon Valley campus, he is also an Associate Dean of the College of Engineering, and the Co-Director of the CyLab Mobility Research Center.
Split into simpler sentences: Dr. Martin Griss was appointed the new director of the Silicon Valley campus. He is also an Associate Dean of the College of Engineering and the Co-Director of the CyLab Mobility Research Center.