Sebastian Makonnen Kjølaas (b. 1985) and Siri Hjorth (b. 1986) are an artist duo based in Oslo, Norway, that has been working together since 2009, mainly with drawing and sculpture.

They both graduated from The National Academy of the Arts in Oslo. Their works has recently been shown at Henie Onstad Art Center (2021), Ekebergparken Sculpture Park, Oslo (2020), Kunsthall Oslo (2020), Kunsthall Kristiansand (2020), The Bauhaus Museum, Dessau (2019), and Fondazione Prada, Venezia (2018), among other places. In 2022, they will have a duo presentation at Kunstnerforbundet in Oslo, and take part in the opening exhibition of The National Museum in Norway.