Dr. Lehel Csató is a Hungarian computer scientist and researcher from Transylvania. After his Master’s degree he studied and researched at the Institute for Isotope Research of the Hungarian Academy of Sciences in Budapest for two years, then he was a PhD student and researcher at Aston University in Birmingham, where he defended his PhD thesis in 2002, entitled “Gaussian Processes – Iterative Sparse Approximations”. Since 2005, he has been a lecturer and researcher at the Faculty of Mathematics and Computer Science of the Babeş-Bolyai University, where he has been a professor since 2014. His areas of expertise are artificial intelligence, machine learning, applied mathematical modelling, information theory, logic and functional programming. He is a regular guest at our conferences and his lectures are a great success.