Lewis den Hertog is an AV designer, visual artist and composer based in Glasgow.

He has worked on multiple productions for National Theatre of Scotland as well as for a broad range of other UK theatre companies. He is a founding member of new theatre company groupwork, who created the Fringe First Award-winning play The Afflicted for Edinburgh Festival Fringe 2019. Other recent works include We Are In Time (Untitled Productions, the Scottish National String Ensemble, and Raw Material), Oor Wullie ( Dundee Rep), and Panopticon (National Theatre of Scotland).