Mastering and cutting engineer at Schallplatten Schneid Technik Brüggemann GmbH (SST Brüggemann GmbH). After retirement of Christa Brüggemann in the beginning of May, 2011, he became the owner of the company.
If the credit for him is derived from a "K SST" or "Kr SST" etching in the runout groove, please credit him appropriately, i.e. use K SST.
(SST / SST indicates Christa Brüggemann.)
Add a company credit: Mastered At SST Brüggemann GmbH