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Lecturer at -

Professor at Universität Witten/Herdecke /Professor at Erasmus Universiteit Rotterdam

Professor at University of Bamberg

WHU – Otto Beisheim School of Management

Professor of Sports Economics at WHU – Otto Beisheim School of Management

WHU – Otto Beisheim School of Management

Lecturer at WHU – Otto Beisheim School of Management

Professor of Management and Entrepreneurship at International School of Management, Germany

Rotterdam School of Management

Assistant Professor of Supply Chain Management at Rotterdam School of Management

WHU – Otto Beisheim School of Management

Lecturer in the BSc Program at WHU – Otto Beisheim School of Management

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Visiting Professor I Witten Institute for Family Business (WIFU) at Witten/Herdecke University at -

Rotterdam School of Management

Assistant Professor, Department of Accounting and Control at Rotterdam School of Management