[2][1] He travels the world, using art as a tool to document lesser-known locations and draw attention to historical events.
[6] His piece titled My Frontier Is an Endless Wall of Points can be found at the Museo Nacional Centro De Arte Reina Sofia.
[13] Koester's work titled Tarantism is also featured at the Tate Modern Museum in Bankside, London.
With his exceptional skills in visual arts particularly in photography, Koester impressed the judges of the Camera Austria award by being able to seamlessly blending elements of reality and fiction.
[16] In 2008 Koester was a finalist for the Hugo Boss Prize, but ultimately lost to Emily Jacir.