Marius is the chief artist-decorator of Vilnius Lėlė Theatre. In 2001, he graduated from the Telšiai Higher School of Applied Arts with a Master's degree in Artistic Metalworking (Jewellery and Blacksmithing). In 2005 he graduated from the Vilnius Academy of Arts with a Bachelor of Arts degree in sculpture. Marius Vaitkus has many years of experience in the production of scenography and other objects in metal, wood and other materials.