Marco Gori received the Ph.D. degree in 1990 from UniversitĂ di Bologna, Italy, working partly at the School of Computer Science (McGill University, Montreal). He is currently full professor of computer science at the University of Siena, where he is leading the Siena Artificial Intelligence Lab. He is mostly interested in Machine Learning with emphasis on Neural Computation. The impact of his research on neural networks emerged mainly from the growing interest in Graph Neural Networks. He introduced the first ideas in the paper "A New Model for Learning in Graph Domains", by M. Gori, M. Monfardini and F. Scarselli (IJCNN2005) where the key- word Graph Neural Network was coined. A few years later, the most significant paper "Graph Neural Networks", IEEE-TNN, 2009 provided a more robust analysis and an accurate experimental evaluation. To date, the paper has received about 9,000 citations (about 6-7 citations/day in the last months). Professor Gori has been the chair of the Italian Chapter of the IEEE Computation Intelligence Society and the President of the Italian Association for Artificial Intelligence. He is a Fellow of IEEE, EurAI, IAPR, and ELLIS.