Swedish coder, active in the Half-Life and Half-Life 2 modding communities around 2000-2010. Creator of Battlegrounds 2 (HL2). Credited in The Wastes (HL1) but I don't remember for what.
I've also done stuff with Doom 2, Quake, Unreal and some other engines. Also active in the Atari 2600 scene and the demoscene.