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Who We Are


Peri Lynne Johnson

Peri Lynne Johnson

Legal Adviser and Director, IAEA Office of Legal Affairs

Ms Johnson joined the Office of Legal Affairs of the IAEA in January 2011. Previously, Ms Johnson served as the Director of the Legal Support Office, Bureau of Management, of the United Nations Development Programme (UNDP). In this capacity, Ms Johnson provided legal advice to the UNDP Administrator, Associate Administrator, Senior Managers at headquarters and Resident Representatives in field offices around the globe, as well as to the UNDP-Affiliated Funds of the Capital Development Fund (UNCDF), the UN Development Fund for Women (UNIFEM now UN Women) and the UN Volunteers Programme (UNV).

Before moving to UNDP, from 1995 to 2000, Ms Johnson served as Legal Officer for the General Legal Division of the United Nations Office of Legal Affairs. In this capacity, Ms Johnson handled matters related to mandate and status of the UN, its Funds and Programmes, privileges and immunities and treaty issues, as well as commercial and personnel related matters. Ms Johnson's first assignment with the United Nations was in 1993 as a Junior Professional Officer with the UN High Commissioner for Refugees (UNHCR) in Conakry, Guinea, where she focused on political refugees from Liberia and Sierra Leone. Before joining the United Nations, from 1991 to 1993, Ms Johnson served as Legal Associate at Arnold & Porter, a leading United States law firm, in Washington, D.C., where she handled litigation and international matters.

Ms Johnson is featured in Chapter 7 (International Law) of Lawyers at Work (Cosslett, Apress, 2012), and lectures and publishes on the work of the IAEA, including nuclear safety, security and safeguards.

Ms Johnson serves on the Board of the OECD/NEA International School of Nuclear Law in association with Montpellier University (France).

Ms Johnson earned her B.A. in French Literature (with a focus in Government and International Relations), with distinction in all subjects, from Cornell University in Ithaca, New York, USA in 1988, and her Juris Doctor from Harvard Law School in Cambridge, Massachusetts, USA, in 1991.