| RecoVET | Co-funded by the Erasmus+ Programme of the European Union | Germany, Italy, Austria, Spain | 2022-2024 |
| QualIndia | Federal Ministry of Education and Research | Germany, India | 2019-2023 |
| Multinational companies and local knowledge base | German Research Foundation | USA, UK, France, Japan, China, Germany | 2019-2023 |
| DualReg | Federal Ministry of Education and Research | Mexico | 2019-2022 |
| CodeVET | Federal Ministry of Education and Research | Germany, China, Russia | 2019-2022 |
| Can dual apprenticeships create better and more equitable social and economic outcomes for young people? A comparative study of India and Mexico | Economic & Social Research Council | Mexiko, India | 2018-2021 |
| e3-Cases | European Union | Germany, Belgium, Poland, Czech Republic | 2018-2021 |
| BioFit: Integrating basic economic understanding into non-economic courses of study. An example of case-based university education for prospective biologists | Stifterverband | Germany | 2018-2021 |
| Indicators of Good VET practice for refugees (GoodVET) | European Union | Italy, Denmark, Austria, Germany | 2017-2019 |
| AufbaU: Tasks in Business Academic Teaching | Faculty of Management, Economics and Social Sciences, University of Cologne | Germany | 2017-2019 |
| Work readiness of school leavers in Germany and England: the historical roots and current manifestations of an old problem | Chair of economics and business education, University of Cologne | Germany, England | 2014-2018 |
| Global Strategies and Local Forms of Vocational Education and Training in German Multinational Companies | German Research Foundation-DFG | Germany, Mexico, India, China | 2015-2018 |
| Apprenticeship in the Aerospace Industry in the UK and Germany | German Research Foundation-DFG | Germany, England | 2017-2018 |
| Retail Sector Competencies for all Teachers (ReCall) | European Union | Germany, Italy, Poland | 2015-2017 |
| Policy Transfer of German VET evaluation concept to China | Chair of Econics and Business Education | Germany, China | 2013-2017 |
| A New Passage to India: Centre for Modern Indian Studies | German Academic Exchange Service | Germany, India | 2010-2017 |
| ReSeCo: Retail Sector Competencies | European Union | Germany, Italy, Poland | 2011-2013 |
| FiFoBi: Fit for business: Developing Business Competencies in School | European Union | Germany, Latvia, Austria, Poland, Portugal, Schottland, Hungaria | 2009-2011 |
| SeSoko-fit: Förderung von Selbst- und Sozialkompetenz im Hauptschulunterricht zur Weiterentwicklung der Ausbildungsreife | Forschungsverband der Pädagogischen Hoschule Baden-Würtemberg | Germany | 2007-2010 |