Valentinos started his very own mobile app startup and developed it all by himself, at the age of 18. Magazines such as Forbes say that he has the ‘mark of a true entrepreneur’. He is a proud awardee of the 25Under25 title of the Internet Society organization. Valentinos has talked numerous times at the Greek Parliament, the European Parliament, South by SouthWest, London School of Economics and various entrepreneurship events all around the world. Now, at the age of 20, Valentinos created the angel-invested FightHoax, in order to reduce the mass misinformation spread and empower news analysis and data journalism with Artificial Intelligence and Big Data.