Zbigniew Ficek is professor of quantum optics and quantum information at the National Centre for Applied Physics, King Abdulaziz City for Science and Technology (KACST), Saudi Arabia. He received his PhD from Adam Mickiewicz University, Poland, in 1985. He is particularly well known for his contributions to the fields of multi-atom effects, spectroscopy with squeezed light, quantum interference, multichromatic spectroscopy, and entanglement.