Katelyn Isaacson is an American sound designer and vocalist based in Paris, France. She was on the audio team at ArenaNet where she worked on season 4 of Guild Wars 2's Living World before relocating to France to be the studio sound designer at Ubisoft Nadeo for Trackmania. Now freelance, she's sound designing for various projects such as a start up working on electronic engine sounds and the studio Homo Ludens' first game, Blooming Business: Casino. As a vocalist, Katelyn started singing in her first choir at the age of 9 and never stopped. Classically trained at the University of Southern California's Thornton School of Music, she enjoys singing in a variety of genres. She sang backup for Elton John at the 2013 Emmy Awards, in the Kingdom Hearts Orchestra World Tour, and on video games such as Tap My Katamari and Elsinore. She's currently singing soprano in l'Ensemble Vocal Delta and Soli Tutti, for a number of lyricists and composers, and regularly performs in cover bands and as a backup singer.