Sebastian "Weikum" is a DJ and producer born in Warsaw, closely associated with labels such as Circus Recordings, Glasgow Underground, Armada, Serrano’s Kitchen, Simma Black, and Ohral. His productions have been embraced by artists like Oxia, Dosem, Marsh, Mark Knight, Claptone, MK, David Penn, and Nora En Pure. 

Sebastian's music has garnered recognition from labels like Defected Records, which featured his productions on Defected Fresh House Friday and Defected Radio. 

He has shared the stage with artists like Eric Prydz, Paul Kalkbrenner, Dubfire, Fatboy Slim, Joseph Capriati, Tiga, Mark Knight, Claptone, Eats Everything, Gorgon City, Tinlicker, and Chelina Manuhutu. 

Weikum also hosts nationwide music events - Iridium by Weikum and Collision by Gigi & Weikum. He is a regular guest at venues such as Sfinks700 (resident), Splot Słoneczny, Wisłoujście, Praga Centrum, Oczki (resident), Smolna, Tama, Transformator (resident), Piekło Nad Niebem, Berlin, Sunrise Festival, Mayday, Audioriver, Fest Festival, Euforia Festivals, Undercity, Prozak 2.0, Luzztro, Lekko Techno (resident), and SiXa.

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