As policy advisor international affairs at the Dutch ministry of the Interior and Kingdom Relations, Tessa Lansbergen works with different international institutions on the topic of integrity and anti-corruption. Tessa represents the Netherlands as delegate at the Working Party of Senior Public Integrity Officials from the OECD and is involved in the collection of data on integrity and anti-corruption by the OECD. She is also the head of the delegation from the Netherlands at the Group of States Against Corruption (GRECO) of the Council of Europe.

Tessa Lansbergen will participate in the World Justice Forum working session The Challenges of Measuring Public Integrity: The OECD Public Integrity Indicators