In recent years, there has been rapid development in control and manipulation of coherent quantum systems. These advances allow for the study and utilization of coherent quantum phenomena as well as the exploration of quantum mechanical concepts that were formerly of purely theoretical interest in realistic many-body setups. Our research is centered on the study of electronic and photonic quantum engineered systems, with all its modern ramifications such as topology, out-of-equilibrium, controllability, and its consequences for fundamental physics and device applications. We are theoreticians that value a strong synergy with experiments for inter-disciplinary results.