Nikolaos Virtsionis Gkalinikis is a Ph.D. candidate in the Computer Science department of the Aristotle University of Thessaloniki in Greece since 11/2020. He completed an MSc in Artificial Intelligence at Aristotle University of Thessaloniki and holds an MEng degree in Electrical and Computer Engineering from Aristotle University of Thessaloniki, with specialization in the Energy sector. His research interests mostly focus on Energy Disaggregation, Blind Source Separation and Machine Learning. He has been employed as an Energy Specialist/Data Scientist in Net2Grid since 02/2021, whereas in the past he worked as Data Analyst for e-commerce applications in another start-up located in Thessaloniki.