Thor Legvold holds a Psy.D. from the University of Bergen, Norway, and has a long-standing passion for the importance of audio quality. He established Sonovo Mastering in 2003 with a dual mission, to deliver high quality audio for music, film, and television; and to mentor and guide female audio engineers into the industry. Sonovo and Thor work primarily in music mastering and sound for picture post production. He is a champion of surround and immersive music formats, working with a number of clients as well as his own music productions incorporating immersive audio formats including Auro-3D, Sony 360RA and Dolby Atmos. Thor serves as a member of the AES LA ExCom, and recently published a chapter in Mastering in Music (Focal Press, 2020) about surround and immersive formats, co-authored with Darcy Proper.