Irma Johanna Mosquera Valderrama is Full Professor Tax Governance at Leiden Law School, Leiden University, the Netherlands. She is the principal investigator of the ERC project that investigates Global Tax Governance (GLOBTAXGOV).She is also the EU holder of the Jean Monnet Chair on EU Tax Governance (EUTAXGOV). She has been a visiting professor at several universities.
She received her PhD (cum laude) in 2007 in the Netherlands. Her areas of expertise are tax governance, international tax law and comparative tax law in developed and developing countries and more recently exchange of information and BEPS related issues in developing countries.
Between 2013-2017, Prof. Mosquera Valderrama was a member of the international research project entitled “Sustainable Tax Governance in Developing Countries through Global Tax Transparency” (DeStaT), financed by the Research Council of Norway.
In 2018-2020, she was a member of the Reference Group (Policy & Operations Evaluation Department (IOB) Dutch Ministry of Foreign Affairs) evaluating the Dutch government policies and activities to strengthen tax systems in developing countries in the period 2012-2019. From 2022-2023, she was an external expert working on the UNDP Tax for SDGs Initiative- developing a course on Tax for SDGs.