He is a Senior Member of ACM, a Senior Member of IEEE, and a Fellow of RSS. His main research interests include Machine Learning, Information Retrieval, and Natural Language Processing. He has published 120+ papers, graduated 11 PhD students, received multiple best paper awards, and won several prizes from international data science competitions. He was also involved in the founding of 3 software startups. He has been giving lectures to both undergraduate and postgraduate students in Birkbeck and UCL.