Christoph Angster aka "Kolliders" is a producer from Vienna, Austria. He started DJing in the early 2000s and soon after created his first alias "Soundgrabber". In 2002 he released his first track called ‘Acid Fighter’ on the german label Pulsive Records. In 2012 Christoph joined forces with his school-friend Ben and they formed the duo "Kolliders" with releases on Global Extrema, D-Max, Critical Uprising, XZata Music and Ask4Records. In 2019 Christoph and Ben separated and Christoph decided to keep going as Kolliders. In this year he had the chance to work with Darren Porter and their track ‘Atlantis’ was created, which was released on Darren's Label Trancegression Recordings. This collaboration was followed by "Not so far away" as a second release on TGR. In 2022 Kolliders made the next step and signed "Titan" to High Voltage Recordings. And he has continued to make strides in the music scene, showcasing his talent and dedication by releasing "Not So Far Away" on the Swiss label "Phoenix Recordings", whicj broadens his reach across different labels and regions. Furthermore, in 2023, Kolliders made a return to High Voltage Recordings with the track "Goliath," marking another step in his musical journey. Ending the year on a high note, Christoph participated in the first High Voltage EP (Vol 1) with his track "Rise Of The Wudan," contributing to the collective soundscape of the label's inaugural EP.