Tomislav Radišić, PhD, is currently an associate professor at the Department of Aeronautics and Head of Chair of Military Aviation with 15 years of experience in aviation. Presently, he teaches Air navigation, UAV Operations, ATM Capacity and Flow Management, and Helicopter Flight Theory. He is also an ATC Theoretical Instructor with the Croatian Air Traffic Control Training Centre as well as ATPL Theoretical Instructor with the Croatian Aviation Training Centre. He graduated from the Faculty of Transport and Traffic Sciences with honours and worked afterwards at the Croatian Air Force as a helicopter pilot before transferring back to the Faculty. His doctoral dissertation explored the effects of trajectory-based operations on air traffic complexity. His research interests are focused on 4D navigation, air traffic complexity, air traffic management and UAVs.