Konstantinos Karavellas has been in the advertising industry for more than 20 years. He has been awarded twice with the World Silver Award in NY Festivals and with the Gold European Design Award. In Greece has won a Grand Ermis in Design along with a Mega EBGE and multiple Ermis and EBGE awards. He is the co-founder and managing director of Petita Demas, a brand that develops apps and publishes books for children. He is also the founder of StarKid Holding Ltd, a tech startup for children.