Complex sentence: He is also Editor-in-Chief of AAAI's AI Magazine, and Associate Editor of Design Research Society's Design Science Journal, and serves on the Steering Committee of the Association for Computational Creativity.
Split into simpler sentences: He is also Editor-in-Chief of AAAI's AI Magazine, and Associate Editor of DRS' Design Science Journal. He serves on the Steering Committee of the Association for Computational Creativity.