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. Before KACST, he has held various positions at Adam Mickiewicz University; University of Queensland, Australia; and Queen¿s University of Belfast, UK. He has also been an honorary adjunct professor in the Department of Physics, York University, Canada. He has authored or coauthored over 140 scientific papers and 2 research books and been an invited speaker at more than 25 conferences and talks. 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.