Grigoris Kallios was born in Stilida, Greece. He studied Electronic Engineering in Alexander Technological Educational Institute of Thessaloniki (ATEITH) and he graduated in 2013.
During his studies he developed skills as 2d and 3d computer modeling of machine mechanical parts and he completed his thesis which was presented at the Technological Institute of Thessaloniki.
In 2013 he started his practice at Hellenic Telecommunications Organization. Since 2014, he works as a freelance, mainly focusing on electronic projects.
Throughout his practice as an electrician and maker, he participated in installations related to the construction of handmade lighting systems and furniture.
Since 2016 he is part of the architecture studio “Normless” as a creative constructor, where he develops custom made projects.