Senior Director, Economic Law & Policy
Nathalie Bernasconi-Osterwalder, LL.M, is a senior international lawyer and heads the Economic Law & Policy programme of the International Institute on Sustainable Development (IISD).
In this role, she works with developing country governments across Africa, Asia and Latin America in relation to bilateral and regional investment treaty negotiations, investor-state contracts (with a particular focus on mining and agriculture), model investment treaties and foreign investment laws.
Nathalie has extensive legal, policy, and training experience in the area of international trade, investment, sustainable development, human rights, international environmental law and arbitration.
She previously worked as an attorney at the Center for International Environmental Law in Washington and Geneva, where she also managed the office. Earlier, she was a fellow at the International Institute of International Economic Law at Georgetown University Law Center and worked in Hanoi, Vietnam, for a legal reform project of the United Nations Development Programme (UNDP) and for the Australian law firm Phillips Fox. In Switzerland Nathalie is admitted to the Bar of Basel and has worked for the Justice Department, Berne, in the Section for International Law.
She is based in Geneva and is fluent in English, German, and French.
- IISD Best Practices Series: Terminating a Bilateral Investment Treaty This paper examines recent state practice in bilateral investment treaty (BIT) terminations and related drafting, along with presenting options for states interested in addressing their stock of older BITs through termination and renegotiation.
- IISD Best Practices Series: Security for CostsThis IISD Best Practices paper explores challenges for states in obtaining orders for security of costs and provides model treaty language designed to help overcome those challenges.
- IISD Best Practices Series: State-State Dispute Settlement Clause in Investment TreatiesThis paper looks at state–state dispute settlement provisions in international investment agreements, examining the different mechanisms used to settle investment disputes, including judicial, quasi-judicial and arbitration procedures.
- IISD Best Practices Series: Registration and Approval Requirements in Investment TreatiesThis paper analyzes registration and approval requirements for investments in investment treaties, and examines the interpretation of such provisions by arbitral tribunals.
- Transparency in the Dispute Settlement Process: Country best practicesIn many investor-state arbitrations, it is difficult or impossible even to know that the dispute has been initiated, what the issues and arguments are, and what decisions or awards have been made to resolve the matter.