Simon designs lighting for theatre, opera and dance in all shapes, sizes and locations.
For Robert Lepage and Ex Machina, Simon lit The Magic Flute as part of the Quebec City Opera Festival.
For the National Theatre of Scotland, he lit The 306: Dawn, Dragon (with Vox Motus and Tianjin People's Art Theatre, China), The Day I Swapped My Dad for Two Goldfish, Roman Bridge, Truant and A Sheep Called Skye. For Vox Motus, his designs include Flight, Dragon, The Infamous Brothers Davenport (with the Royal Lyceum, Edinburgh), The Not-So-Fatal Death of Grandpa Fredo, Bright Black and the multi-award winning Slick. Work for Magnetic North includes Our Fathers; Kora (with Dundee Rep), Sex and God, Pass the Spoon, Wild Life and After Mary Rose.
Other theatre designs include Meet Me at Dawn, Letters to Morrissey, Black Beauty, Grain in the Blood and Tracks of the Winter Bear (Traverse Theatre); Glory on Earth, The Iliad, The Weir, The Lion the Witch and The Wardrobe, Hedda Gabler, The Caucasian Chalk Circle, The BFG, Bondagers, A Christmas Carol and Cinderella (Royal Lyceum, Edinburgh); Snow White & The Seven Dames, Knives in Hens, Aladdin (Perth Theatre); Enlightenment House (National Trust for Scotland) Scotties (Theatre Gu Leor); Crumbles Search for Christmas (West Yorkshire Playhouse); God of Carnage and This Wide Night (Tron Theatre, Glasgow); Teenage Trilogy, Mamababame and PUSH (Curious Seed); Fisk, The Lost Things and Feral (Tortoise in a Nutshell); Dr Stirlingshire's Discovery and Light Boxes (Grid Iron); Citizen (Plan B); Pondlife (Catherine Wheels); The Rise and Inevitable Fall of Lucas Petit (Sleeping Warrior); Blow Off (Julia Taudevin); Dance of Death (Candice Edmunds), Grounded (Firebrand); Moonbeam on a Cat's Ear and In Her Shadows (Jabuti Theatre); After The End and Topdog / Underdog (Citizens Theatre, Glasgow); 13 Sunken Years (Stellar Quines and Lung Ha); Chalk Farm and The Static (ThickSkin); HeLa and Skewered Snails (Iron Oxide); Whatever Gets You Through the Night (The Arches); My Name is Rachel Corrie (Mull Theatre); The Mark of Zorro and The Hunted (Visible Fictions); Honk! (Royal & Derngate) and Encourage The Others (Almeida Theatre). He lit the 2010 season for Pitlochry Festival Theatre.
Simon has won the CATS Award for Best Design three times - for Flight in 2018, Black Beauty in 2017 and Bondagers in 2015. Over the years, his lighting has created a Guinness World Record, brought 30,000 people to a windswept Highland Forest, and caused reports of an alien invasion.