Doudou is a PhD Researcher in the International and European Law Department and Institute for Transnational Legal Research (METRO). She holds an LLB in General Law from Shandong University, China (2014-2018) and an LLM in Public International Law from Leiden University, the Netherlands (2018-2019). She worked in the United Nations Environment Programme, Geneva, as an intern under the "The Partnership for Action on Green Economy (PAGE)" Unit in 2019.

Doudou's PhD research focuses on the transboundary harm rules and their general application in public international law. Specifically, she majors in international environmental law and state responsibility.