Dimosthenis Chrysikos holds a law degree (1993), a post graduate diploma in criminal sciences (1996) and a Ph.D. in International Criminal Law (2002) (University of Athens, Law Faculty). He was awarded the Academy of Athens prize for his Ph.D. dissertation on human rights protection in the context of extradition proceedings (2002). He is an attorney-at-law, licensed to practice law in Greece and member of the Athens Bar Association since 1995. He first joined the United Nations in 1996 under a fellowship programme supported by the Greek Government and worked until 1998 at the United Nations Office on Drugs and Crime (Vienna), in its previous function as the Office for Drug Control and Crime Prevention. He re-joined the United Nations Office on Drugs and Crime in 2003, providing his services as a Crime Prevention and Criminal Justice Officer in its Division for Treaty Affairs (Crime Conventions Section; Corruption and Economic Crime Section; Corruption and Economic Crime Branch, Organized Crime and Illicit Trafficking Branch) ever since. His professional background experience in UNODC includes, among others, the elaboration of the travaux préparatoires of the United Nations Convention against Transnational Organized Crime (UNTOC) and the Protocols thereto and the United Nations Convention against Corruption (UNCAC); the elaboration of model legislation on extradition and mutual assistance in criminal matters; and the provision of technical assistance to Member States particularly in the area of international cooperation in criminal matters. He is currently active on issues pertaining to transnational organized crime, networking and development of tools and online portals to promote international cooperation, cybercrime and the effects of new information technologies on the abuse and exploitation of children.