As a post-doctoral researcher he spent two years from 2009 to 2011 in the Knowledge Engineering & Bioinformatics (KEBI) Lab at Marburg University, Germany. His research interests span the field of machine learning, in particular, multi-label classification, preference learning, and structured output prediction. He was a member of the winning team of ECML/PKDD 2007 Discovery Challenge. He was also awarded as a team member in Beyond Search 2008 program sponsored and organized by Microsoft Research. As a co-author he won the best paper award at ECAI 2012. He is also a co-organizer of the Preference Learning stream at the European Conference on Operational Research. Currently, he obtains a prestigious scholarship from the Foundation for Polish Science.