Ms Tatiana Yanguas AcostaCounsel
+41 22 919 21 34


Tatiana Yanguas Acosta joined the ACWL in ­October 2015.

Before joining the ACWL, Ms Yanguas Acosta was a China Programme Intern at the Accessions Division of the WTO, where she worked as Co-Secretary of several Working Parties and contributed to the development of the Post-Accessions Best Practices.

In 2014, she was selected to join the Premium Honours Programme for Excellent Master Law Students in Commercial Mediation at Maastricht University. In 2013, she was involved in the preparation of academic conferences at the Institute for Direct Democracy of the University of Dresden (DISUD). In 2012, she interned at the Colombian Embassy in Berlin, where she participated in Human Rights accountability programmes. As part of her duties, she also provided legal counsel on Cooperation Agreements between Colombian and German cities and organizations.

Ms Yanguas Acosta, a national of both Colombia and Brazil, holds an LL.M. degree in International Trade and Investment Law (cum laude) from Maastricht University and an LL.B. in Law in Context with a specialisation in International Law from the Technische Universität Dresden. She is fluent in Spanish, English, German, and Italian and has an advanced understanding of Portuguese.


Ms Yanguas Acosta’s publications include:

  • “From ‘Standard-Takers’ to ‘Standard-Makers’: Developing Countries and Least-Developed Countries’ Perspectives in the Harmonization of Technical Regulations Through International Standards”, in collaboration with Vitaliy Pogoretskyy, Global Trade and Customs Journal, Vol. 11, No. 9, 2016, pp. 378-387.
  •  “Ask for the Moon, Settle for the Stars: What is a Reasonable Period to Comply with WTO Awards?”, in collaboration with Petros Mavroidis, Niall Meagher and Tom Prusa, World Trade Review, Vol. 16, No. 2, 2017, pp. 395-425.
  •  “Third Parties in WTO Dispute Settlement”, in collaboration with Christian Vidal-León, Journal of International Trade and Arbitration Law, Vol. 6, 2017, pp. 63-94.

To contact Ms Yanguas Acosta, email to:

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Christian Vidal