Prior to that, he has worked as an Assistant Professor at the Free University of Bolzano in Italy, as a Senior Researcher at the Bundeswehr University Munich and Technical University Munich in Germany, as the Head of IT Department at the Oxbridge Investment Ltd. in the UK, as a Postdoctoral Researcher at the Technical University Dortmund in Germany, and as a Steering Researcher in the Business Informatics Group at the Dublin City University in Ireland. In 2011, he was a Visiting Researcher at the University of Milano-Bicocca in Italy (hosted by Prof. Andrea Maurino and Prof. Carlo Batini). Moreover, he is also contributing to the CDO Research Team at MIT, USA and serves as a research secretary at SIG Information Quality from AIS. His research is mainly focused on Big Data, Data Management, Intelligent Systems, Service Science, IS theory and Recommender Systems.