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Hi, I’m Mat Leffler-Schulman, a Grammy-nominated audio engineer and mastering professional with 25+ years shaping sound across studio, broadcast, and podcast formats. I thrive on deadline-driven work, building and debugging complex signal chains, and delivering broadcast-ready mixes that translate across playback systems and platforms. From leading a high-end mastering facility in Baltimore to collaborating with iZotope R&D and producing field podcast content, I combine technical rigor with creative problem-solving to bring artists’ visions to life.…Hi, I’m Mat Leffler-Schulman, a Grammy-nominated audio engineer and mastering professional with 25+ years shaping sound across studio, broadcast, and podcast formats. I thrive on deadline-driven work, building and debugging complex signal chains, and delivering broadcast-ready mixes that translate across playback systems and platforms. From leading a high-end mastering facility in Baltimore to collaborating with iZotope R&D and producing field podcast content, I combine technical rigor with creative problem-solving to bring artists’ visions to life.

Mat Leffler-Schulman

Audio Engineer, Mastering Engineer, Music Producer, +3

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Hi, I’m Mat Leffler-Schulman, a Grammy-nominated audio engineer and mastering professional with 25+ years shaping sound across studio, broadcast, and podcast formats. I thrive on deadline-driven work, building and debugging complex signal chains, and delivering broadcast-ready mixes that translate across playback systems and platforms. From leading a high-end mastering facility in Baltimore to collaborating with iZotope R&D and producing field podcast content, I combine technical rigor with creative problem-solving to bring artists’ visions to life.…Hi, I’m Mat Leffler-Schulman, a Grammy-nominated audio engineer and mastering professional with 25+ years shaping sound across studio, broadcast, and podcast formats. I thrive on deadline-driven work, building and debugging complex signal chains, and delivering broadcast-ready mixes that translate across playback systems and platforms. From leading a high-end mastering facility in Baltimore to collaborating with iZotope R&D and producing field podcast content, I combine technical rigor with creative problem-solving to bring artists’ visions to life.

Available to hire

Hi, I’m Mat Leffler-Schulman, a Grammy-nominated audio engineer and mastering professional with 25+ years shaping sound across studio, broadcast, and podcast formats. I thrive on deadline-driven work, building and debugging complex signal chains, and delivering broadcast-ready mixes that translate across playback systems and platforms.

From leading a high-end mastering facility in Baltimore to collaborating with iZotope R&D and producing field podcast content, I combine technical rigor with creative problem-solving to bring artists’ visions to life.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

DaVinci Resolve Studio

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

English

Fluent

Work Experience

Mastering Engineer at Mat Leffler-Schulman Mastering

October 1, 2017 - Present

Mastering for a diverse roster of independent and major-label artists across genres and formats, with credits spanning 1.3B+ streams, 2x Grammy nominations, and 3x Billboard #1s. Deep expertise in loudness standards and format-specific specs, ensuring masters translate accurately across playback systems and distribution methods. Designed, built, and operated a dedicated mastering facility with a high-end analog/digital signal chain, acoustically treated monitoring environment, and precise QC workflow. Manages a high-volume, deadline-driven client roster, balancing simultaneous projects, evolving priorities, and constructive creative feedback daily.

Audio Engineer (Freelance) at iZotope / Native Instruments

May 1, 2019 - December 1, 2024

Embedded with the iZotope R&D team, contributing directly to the development and QC of the Master Rebalance (ML-powered) and Maximizer plugins in iZotope RX 11 and Ozone 12. Performed advanced dialogue cleanup and audio restoration using iZotope RX, processing large-scale datasets with consistent quality and precise metadata management. Collaborated with DSP engineers to model analog hardware behavior for software implementation, validating algorithm accuracy through critical listening and QC review. Conducted systematic QC across large-scale audio projects, ensuring consistency and technical integrity at volume.

Host, Co-creator & Producer at Speaks Volumes Podcast

October 1, 2023 - Present

Produces a podcast interview series with master engineers from the field, from industry heavyweights to emerging voices, focusing on craft, workflow, and the business of audio. End-to-end production including research, booking, recording, dialogue editing, pacing, and final mix; delivers a polished, broadcast-quality listening experience. Developed and maintains a repeatable production workflow, coordinating remote guests and distributed recording sessions consistently across episodes.

Co-owner, Producer & Audio Engineer at Mobtown Studios, LLC

September 1, 2006 - September 1, 2017

Co-founded and operated an award-winning Baltimore recording studio for over 12 years, growing revenue 12% YoY while serving a diverse client roster including Ice Cube, Future Islands, and Y2K Games. Engineered recordings across formats – audio books, live performances, broadcast voice-overs, and video game audio – and composed original music for commercial and media use. Designed and built the studio's acoustically treated recording and control room environments from the ground up. Trained engineers and interns in studio operations, Logic Pro workflows, and professional best practices; primary point of contact for all technical troubleshooting.

Audio Engineer (Freelance) at John F. Kennedy Center for the Performing Arts

October 1, 2017 - October 1, 2018

Mixed live concert recordings for the DEC CLASSIFIED®: Ben Folds Presents series, featuring artists including Jon Batiste, Will.i.am, Kishi Bashi, and The National Symphony Orchestra. Managed complex multi-track sessions for large live ensembles, delivering mixes for broadcast and streaming.

Online Producer at DC101 FM / Clear Channel Radio

August 1, 2001 - September 1, 2006

Produced digital content for a major DC broadcast radio station, working directly with talent and the programing team. Gained early fluency in broadcast production workflows, audience engagement, and the operational rhythms of a news and entertainment media organization.

Online Producer at Discovery Channel / Warner Bros. Records

April 1, 1996 - July 1, 2001

Early-career role in digital content and audio production at two major media companies; mastered and edited audio for emerging streaming formats including RealAudio and MP3 at Warner Bros. Records.

Audio Engineer at iZotope / Native Instruments

May 1, 2019 - December 1, 2024

Embedded with the iZotope R&D team, contributing directly to the development and QC of the Master Rebalance (ML-powered) and Maximizer plugins in iZotope RX 11 and Ozone 12. Performed advanced dialogue cleanup and audio restoration on large-scale datasets with consistent quality and metadata management. Collaborated with DSP engineers to model analog hardware behavior for software implementation, validating algorithm accuracy through critical listening and QC reviews. Conducted systematic QC across large-scale audio projects, ensuring consistency and technical integrity at volume.

Producer / Host / Co-Creator at Speaks Volume Podcast

October 1, 2023 - Present

Produces each episode end-to-end: research, booking, recording, dialogue editing, pacing, and final mix; delivers a polished, broadcast-quality listening experience. Developed and maintained a repeatable production workflow, coordinating remote guests and distributed recording sessions consistently across episodes.