On 7 May 2020, Regis was a guest on Silent Servant Presents: Optimistic Decay; and on 16 February 2020 was a guest on Samuel Kerridge. Regis has been played over 160 times on NTS, first on 16 October 2012. Regis's music has been featured on 153 episodes.

Regis is one alias of Karl O'Connor, a Birmingham techno producer and founder of the Downwards imprint; other projects include Kalon, British Murder Boys alongside label-mate Anthony Child (Surgeon) and involvement with the enigmatic Sandwell District imprint.