Born in 1985 in Miercurea-Ciuc, Romania, to a microbiologist mother and an engineer father, Lehel Lajos grew up figure-skating, playing hockey and tennis, and foraging mushrooms with his grandparents. He attended school from 1991 to 2004 and lived in Cluj-Napoca from 2005 to 2010, working as a graphic designer and video artist. In 2013, he moved to Karlsruhe to study Media Arts at the HfG. He completed his Vordiplom in 2018 with the multimedia installation Fingerprint: where I stop, there I start, mentored by João Tabarra and Michael Bielicky. In 2024, he earned his Diplom with the audiovisual work Who has the Power to Draw the Image.