| present 2019 |
National Endowment for Democracy (NED) |  |
| present 2016 | The World Bank – Several consultancies |  |
| 2019 2018 |
Deutsche Gesellschaft für International Zusammenarbeit (GIZ) GmbH:
New Approaches for Fighting Corruption with African Partners |
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| 2017 | The European Parliament: Report to the European Parliament Committee for International Trade (INTA) on the Effectivness of Anti-Corruption Provisions in Trade Agreements |  |
| 2017 | Deutsche Gesellschaft für International Zusammenarbeit (GIZ) GmbH: Embracing Digitalisation in the Fight against Corruption: Recommendations on how to use ICT to strengthen Anti-Corruption in German development cooperation |
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| 2017 | Council of Europe: several consultancies. |  |
| 2016 | Swedish Government and the Swedish International Development Agency (SIDA): Evidence-Based Anticorruption. A Test of the Main Anticorruption Tools and their Empowering Context |
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| 2016 | European Commission – Directorate General for Employment, Social Affairs and Inclusion |  |
| 2015 | Dutch Ministry of the Interior and Kingdom Relations – The Netherlands EU Presidency 2016: Public Integrity and Trust in Europe |  |
| 2014 | Council of Europe |  |
| 2013 | European Commission – Directorate General for Research and Innovation | |
| 2012 | European Anti-Fraud Office (OLAF) and PricewaterhouseCoopers: Cost of Corruption Project |
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| 2012 | European Commission – Directorate General for Migration and Home Affairs | |
| 2011 2016 |
United Nations Office on Drugs and Crime |  |
| 2010 | Norwegian Agency for Development Cooperation (NORAD): Contextual Choices in Fighting Corruption: Lessons Learned |
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