Konstantinos Papachristou is studying politics and international studies at the University of Warwick. He is the founder of the 1^st online think tank for teenagers in Greece, Teens4greece. He has also gained international experience by being a member of the Eurochild Children’s Council and the Child Advisory Team that was set up by Child Rights Connect. For his advocacy work for children rights he was also nominated for the International Children’s Peace Prize of 2019. He is a member of the youth group working for Act2gether and in his own words : ‘ It’s a great pleasure to work with such an inspiring team of individuals that aim to change the world by inviting all generations to work together and create a just and sustainable world’. Additionally, he is currently developing Teens4world, a global initiative that young people can use to raise their voice.