Nikolai Sokov is Senior Fellow at Vienna Centre for Disarmament and Non Proliferation. He has published widely, including two dozen books and monographs as well as more than 200 articles. Areas of research interest include: Arms control, disarmament and international security; nuclear non-proliferation: the Treaty on the NonProliferation of Nuclear Weapons; Safeguards; International cooperation for nonproliferation; Great power relations: US-Russia-China; alliance relations; and NATO.