Michalis is a leading expert in data science. He is involved at the head or as an expert to a series of research, business and policy projects. Indicatively, as an affiliated researcher at the Software & Knowledge Engineering Laboratory (SKEL) of the Institute of Informatics & Telecommunications of the National Center for Scientific Research «Demokritos» has contributed to YourDataStories and BigDataEurope H2020 projects and the Open Journalism project (funded by Google’s DNI). He has worked as an expert for the “Analysis of methodologies for using the Internet for the collection of information society and other statistics” (European Commission – Eurostat/G6 Contract No. 50721.2013.003-2013.169) and as a lead researcher for Greece in the Web Index, Open Data Barometer and International Budget Partnership projects. In 2010, initiated PublicSpending.net which interconnects and analyses more than 1.5 trillion euros of detailed global public expenditure. In 2015 has been elected as a Board member in the Open Technologies Alliance, director of Open Data Institute – Athens node and MyData Hub Greece. He has written the book «Living with the Web», which presents both the social and technical aspects of the Web as an integrated part of everyday life. He is currently the founder and the CEO of the award-winning startup Linked Business that provides market intelligence solutions such as B2B sales leads and KYC, based on open data and AI. In 2019 he was appointed a member of the Board of Directors of the Hellenic Land Registry in charge of digital transformation and data issues. In 2020 he was invited to participate as a member of the Sectoral Scientific Council for Data Policy and Artificial Intelligence of the National Council for Research, Technology and Innovation (ESETEK).