Wessel Oltheten works as a mix and mastering engineer in his own Spoor 14 studio. He also teaches music production and audio engineering at the Utrecht University of the Arts , and is the author of Mixing with Impact, a book on mixing that’s available worldwide through Focal Press.
Wessel has mixed and mastered music by DeWolff, Black Oak, Spinvis, Navarone, Pocket Knife Army, Kraak en Smaak, Amongster, Don Diablo, Moon Moon Moon, Tim Knol, Tangarine, I Am Oak, Awkward I, Anne Soldaat, Áslaug, Re:Freshed Orchestra, Henny Vrienten, Audio Adam, Gallowstreet, Yuko, GRAEF, Robin Borneman, Mevrouw Tamara, Dawn Brothers, Blaudzun, Helge, Iguana Death Cult, Eric Vaarzon Morel, Simply Red, The Grand East, Dez Mona, Jeroen Kant, Reindier, Sam & Julia, La Loye, Meadowlake, Yurt, Storksky, Alexander van Popta, Coppersky, San Francisco, Mitch Rivers, Car Pets, Tolls, Niko, Yentl en de Boer, Cast Glass, Pitou, Rosemary & Garlic, Elephant, Yukon Onoma, Aidan & the Wild, Maida Rose, Trifid, Feng Suave, Valvetronic Brassband, Géonne Hartman, LIJO, Alison's Fall, Remy van Kesteren, The Avonden, Zea, Bear Valour, Iris Penning, Donna Blue, Nachtschade, Massi, Bosai Panda, ParHasard, Meis, Matt Winson, St. Solaire, Vikings in Tibet, Vic Willems and many more.
Wessel has recorded e.g. the cinematic registration of Wagner's Ring Des Nibelungen performed by the Nationale Reisopera, two albums by rock violinist David Garrett, and a single by Michael Jackson & Akon.