Lefteris is a Senior Researcher specialized on Machine Learning and Artificial Intelligence. He has been a Researcher at the German Research Center for Artificial Intelligence (DFKI) since 2010. He joined the Design Research Lab together with the Interactive Textiles Lab of DFKI in November 2017. He has pursued a PhD from the Philosophical Faculty of the University of Saarland with the topic “Comparative Quality Estimation for Machine Translation: An Application of Artificial Intelligence on Language Technology using Machine Learning of Human Preferences”.
Lefteris studied Applied Informatics at the University of Macedonia (Greece). Then, he pursued a MSc degree in Artificial Intelligence at the University of Edinburgh focusing on Natural Language Processing and Machine Learning. He has worked on Language Technology and in particular in Machine Translation for several research and development projects funded by the EU and German institutions. As part of his doctoral program he has interned in Google Translate at Mountain View, California. He has been giving lectures related to Machine Translation and Artificial Intelligence at the Technical University of Berlin and the Design Faculty of the Berlin University of Arts and he is supporting several design-oriented projects with proposing machine-learning perspectives. Many of his software contributions have been available as open source software through open repositories.