ZAL Innovation Days 2020 | Focus: Green Technologies for Clean Aviation | Keynotes | Speakers | ZAL, ZAL Innovation Days 2019, February 27th – 28th, 2019. Focus: Robotics & Advanced Automation. Who's Speaking? Learn more about our excellent speakers who will complete the ZAL Innovation Days with their keynotes and presentations. Peter Haas, Prof. Dr. techn. Norbert Elkmann, Dr. Bernhard Quendt, Dr. Bob Struijk.