Margaret Luthar is an audio engineer. Currently, she is a Broadcast Recording Technician for NPR. Previously, she was a freelance mastering engineer. She has worked as an audio engineer for festivals, studios, and institutions in the US, Canada, Norway, and Belgium. In 2016, she again was a senior audio engineer at the Aspen Music Festival and School. In 2017 she was a mastering engineer at Chicago Mastering Service. In 2019, she became head mastering engineer at Welcome to 1979. Before that, she was a mastering engineer at Sonovo Mastering in Stavanger, Norway.