János Asbóth is associate professor at the Department of Theoretical Physics of BUTE, and senior research associate at the Wigner RCP, Department of Quantum Optics and Quantum Information. His research interests include quantum optics, quantum information, especially the application of topology to problems in condensed matter physics and quantum information. He introduced a computable measure of classicality of quantum states, based on their entanglement potential. He has explored hidden topological invariants of quantum walks, in international collaborations (Leiden, Paris, Dresden). Together with colleagues, he developed a university course introducing the basic phenomena of topological insulators using simple theoretical models, which he taught in Bonn, Geneva, and Budapest. He is scientific secretary of the National Quantum Technology Program, and recipient of the Junior Prima prize.