Angeliki is Head of Product in Offerial. Offerial is a company that increases hotels’ online direct bookings with personalization techniques. Angeliki holds two MSc degrees in Artificial Intelligence, one from the Catholic University of Leuven in Belgium and one from the National and Technical University of Athens. Her main interests focus on Machine Learning, Personalization and Recommender Systems, Data and Text Mining, Natural Language Processing and Information Retrieval. Furthermore, she enjoys making sense out of analytics, defining and improving customer needs and delivering solutions to user experience and product design and fit. The above mentioned skills have been applied in working in various international projects. In specific, she has been dealing with RTD and commercial projects with research institutes, such as NCSR “Demokritos” and ILSP, with universities, such as the University of Leuven, the University of Antwerp and the University of Athens and companies, such as I-sieve, Grnet and Missum. In the consortia she has been involved with she has co-operated with large companies such as Google and Xerox. Moreover, she has been working on B2B online advertising projects as per sentiment analysis, business intelligence and analytics, social media analysis, buzz monitoring and insights driving for multinational companies such as Hyundai and Lenovo.