Yiannis is currently University Professor of Computer Science in Athens, Greece. He has held scientific research positions in France, Switzerland, and Austria, and has undertaken his studies in USA. He possesses a decades-long experience in Research and Development projects, in the areas of Scientific and Geometric computing, Optimization, Robotics, Bioinformatics, Data Science, and Machine learning. He has been team manager and team leader. These days, he is very keen on Blockchain aspiring to transfer cutting-edge technology from Machine Learning and AI into the Blockchain ecosystem.