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I'm a certified mastering engineer and Avid Certified Dolby Atmos Mixer with over two decades of professional experience in mixing, mastering, and audio restoration. I specialize in delivering immersive, high-fidelity sound for streaming platforms, radio, and physical releases. As an ADM-certified mastering engineer, I deliver high-resolution masters to Apple Music and other services. I work across roots rock, blues, funk, and acoustic singer-songwriter, crafting stereo and Atmos mixes that are precise, musical, and emotionally resonant.…I'm a certified mastering engineer and Avid Certified Dolby Atmos Mixer with over two decades of professional experience in mixing, mastering, and audio restoration. I specialize in delivering immersive, high-fidelity sound for streaming platforms, radio, and physical releases. As an ADM-certified mastering engineer, I deliver high-resolution masters to Apple Music and other services. I work across roots rock, blues, funk, and acoustic singer-songwriter, crafting stereo and Atmos mixes that are precise, musical, and emotionally resonant.

Mathias Otto Widtskiöld

Mastering Engineer, Audio Mixer, Podcast Editor, +3

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I'm a certified mastering engineer and Avid Certified Dolby Atmos Mixer with over two decades of professional experience in mixing, mastering, and audio restoration. I specialize in delivering immersive, high-fidelity sound for streaming platforms, radio, and physical releases. As an ADM-certified mastering engineer, I deliver high-resolution masters to Apple Music and other services. I work across roots rock, blues, funk, and acoustic singer-songwriter, crafting stereo and Atmos mixes that are precise, musical, and emotionally resonant.…I'm a certified mastering engineer and Avid Certified Dolby Atmos Mixer with over two decades of professional experience in mixing, mastering, and audio restoration. I specialize in delivering immersive, high-fidelity sound for streaming platforms, radio, and physical releases. As an ADM-certified mastering engineer, I deliver high-resolution masters to Apple Music and other services. I work across roots rock, blues, funk, and acoustic singer-songwriter, crafting stereo and Atmos mixes that are precise, musical, and emotionally resonant.

Available to hire

I’m a certified mastering engineer and Avid Certified Dolby Atmos Mixer with over two decades of professional experience in mixing, mastering, and audio restoration. I specialize in delivering immersive, high-fidelity sound for streaming platforms, radio, and physical releases.

As an ADM-certified mastering engineer, I deliver high-resolution masters to Apple Music and other services. I work across roots rock, blues, funk, and acoustic singer-songwriter, crafting stereo and Atmos mixes that are precise, musical, and emotionally resonant.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

DaVinci Resolve Studio

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Fluent

Swedish

Fluent

German

Fluent

French

Fluent

Dutch

Advanced

Spanish; Castilian

Beginner

Work Experience

Founder | Mixing, Mastering & Dolby Atmos Engineering at Mottow Sound

January 1, 1999 - Present

Mixing and mastering projects for artists in stereo and immersive formats. Delivering Atmos-ready masters for Apple Music, Tidal, and Amazon Music HD. Restoring and remastering legacy recordings for modern platforms.

Podcast Editor at European Policy Centre

January 1, 2022 - Present

Editing, mixing, and mastering narrative podcasts for global audiences. Ensuring clarity, dynamic consistency, and broadcast-level polish.

Founder | Mixing, Mastering & Dolby Atmos Engineering at Mottow Sound

January 1, 1999 - Present

Podcast Editor at European Policy Centre

January 1, 2022 - Present

Editing, mixing, and mastering narrative podcasts for global audiences. Ensuring clarity, dynamic consistency, and broadcast-level polish.

Founder | Mixing, Mastering & Dolby Atmos Engineering at Mottow Sound

January 1, 1999 - Present

Founded Mottow Sound in Brussels to provide mixing and mastering services for stereo and immersive formats. Responsible for delivering Atmos-ready masters for major streaming platforms (Apple Music, Tidal, Amazon Music HD), and for restoring and remastering legacy recordings for modern releases. Oversaw Dolby Atmos workflow, clients, and project delivery from concept to final master.

Podcast Editor at European Policy Centre

January 1, 2022 - Present

Edited, mixed, and mastered narrative podcasts for a global audience. Ensured clarity, dynamic consistency, and broadcast-level polish across episodes.