Complex sentence: More than an architect, Behrens was employed from 1907 by AEG as an artistic consultant and designed the company logo, and other company graphics for the building, he was also in charge of the overall image of the company.
Split into simpler sentences: More than an architect, Behrens was employed from 1907 by AEG as an artistic consultant and designed the company logo, and other company graphics for the building. He was also in charge of the overall image of the company.