Dr. Alsbeih obtained his MSc and PhD in radiobiology from the University of Paris-XI, France. He followed post-doctoral training in Ottawa, Canada and MD Anderson Cancer Center, Texas, USA. Currently he is principal scientist, head of Radiation Biology Laboratory and Director of Safety Office at KFSHRC in Riyadh, Saudi Arabia. His current research activities include establishing National Biodosimetry Laboratory in to enhance the nation’s emergency response in cases of radiological accidents, study genetic basis of radiosensitivity, identifying particular mutations in genes involved in radiation response, possible association with cancer predisposition, interaction with viral oncogenes, and the search for biomarkers to individualize cancer treatment and improve radiotherapy outcome.