Senior Sound Designer with 10+ years of experience designing and implementing high-impact audio for live, combat-heavy gameplay at scale. Deep expertise in game audio hierarchy, mix clarity, and player feedback—ensuring responsiveness and readability in fast-paced teamfights and high-stakes moments. Hands-on with Unity audio implementation and iterative tuning through playtests and live service post-release polish. Strong collaborator across design, VFX, animation, and engineering, with a proven track record delivering shipped, production-ready sound in fast-moving development environments.

Marco Bustos

Senior Sound Designer with 10+ years of experience designing and implementing high-impact audio for live, combat-heavy gameplay at scale. Deep expertise in game audio hierarchy, mix clarity, and player feedback—ensuring responsiveness and readability in fast-paced teamfights and high-stakes moments. Hands-on with Unity audio implementation and iterative tuning through playtests and live service post-release polish. Strong collaborator across design, VFX, animation, and engineering, with a proven track record delivering shipped, production-ready sound in fast-moving development environments.

Available to hire

Senior Sound Designer with 10+ years of experience designing and implementing high-impact audio for live, combat-heavy gameplay at scale. Deep expertise in game audio hierarchy, mix clarity, and player feedback—ensuring responsiveness and readability in fast-paced teamfights and high-stakes moments.

Hands-on with Unity audio implementation and iterative tuning through playtests and live service post-release polish. Strong collaborator across design, VFX, animation, and engineering, with a proven track record delivering shipped, production-ready sound in fast-moving development environments.

See more

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
See more

Language

English
Fluent

Work Experience

Sr. Sound Designer at Riot Games
December 31, 2024 - Present
Led a team of sound designers in creating and implementing sound designs for a wide range of projects, including Skins, Huds, Skin Events and Outsourcing. Developed and maintained sound design standards and best practices for the team to ensure consistency and quality. Collaborated with producers, directors, and other team members to understand project requirements and deliver sound designs that meet or exceed expectations. Managed project timelines and budgets to ensure on-time delivery and cost-effectiveness. Stayed current on industry trends and technologies to continuously improve sound design processes and techniques.
Senior Sound Designer at Riot Games
January 1, 2023 - January 1, 2025
Owned end-to-end sound design for live gameplay content, including champions, skins, and combat systems. Designed and implemented magic spells, melee, and allied audio to support gameplay readability, timing, and player decision-making in teamfight scenarios. Integrated and tuned audio directly in-engine, balancing hierarchy, distance, and mix clarity at scale. Collaborated with designers, VFX, animation, and engineering to align audio with mechanics and performance constraints, iterating rapidly based on playtests and player feedback to polish content post-release in a live environment.
Manager of Sound Design at Riot Games
January 1, 2023 - October 21, 2025
Led a team of sound designers in creating and implementing sound designs for a wide range of projects, including Skins, Huds, Skin Events and Outsourcing. Developed and maintained sound design standards and best practices for the team to ensure consistency and quality. Collaborated with producers, directors, and other team members to understand project requirements and deliver sound designs that meet or exceed expectations. Managed project timelines and budgets to ensure on-time delivery and cost-effectiveness. Stayed current on industry trends and technologies to continuously improve sound design processes and techniques.
Sr. Sound Designer at Riot Games
January 1, 2023 - Present
Led a team of sound designers in creating and implementing sound designs for a wide range of projects, including Skins, HUDs, Skin Events and Outsourcing. Developed and maintained sound design standards and best practices for consistency and quality. Collaborated with producers, directors, and other team members to understand project requirements and deliver sound designs that meet or exceed expectations. Managed project timelines and budgets to ensure on-time delivery and cost-effectiveness. Stayed current on industry trends and technologies to continuously improve sound design processes and techniques.
Manager of Sound Design at Riot Games
January 1, 2021 - January 1, 2023
Led a team delivering high-volume sound design for skins, HUDs, and personalization features while staying hands-on with asset creation and implementation. Established sound design standards and workflows to maintain quality and consistency across live content. Directed and reviewed outsourced audio, ensuring assets met gameplay, technical, and aesthetic requirements.
Interim Audio Director / Sr. Sound Designer at Riot Games
January 1, 2020 - October 21, 2025
Created and implemented sound designs for various products, including meatgame, personalized content, VO design, champion cards, etc. Worked closely with team members to understand project requirements and deliver sound designs that meet discipline expectations in craft from me and the vendors we work with. Managed composers and sound design vendors to create original music and sound effects for playmats, pets and other parts of the game. Edited and mixed audio tracks to achieve the desired sound quality and balance. Provided technical support and troubleshooting for sound design in Unity and Wwise.
Senior / Lead Sound Designer at Riot Games
January 1, 2015 - January 1, 2021
Created and implemented sound for gameplay systems, personalized content, VO systems, and experimental features. Designed combat-focused audio emphasizing player feedback, threat communication, and impact. Provided technical audio support and troubleshooting in Unity and Wwise. Managed external composers and sound-design vendors for original music and SFX.
Champion Sound Designer at Riot Games
January 1, 2011 - January 1, 2015
Designed and shipped full champion sound kits including Hecarim, Zyra, Thresh, and Yasuo. Focused on combat readability, ability timing, enemy tells, and delivering satisfying player feedback.
Re-Recording Mixer / ADR Recording Engineer at Freelance / TV & Anime
December 29, 2002 - June 19, 2011
Mixed various segments for TV and Anime. Recorded VO for commercials, promos, and ADR. Served as Recording Engineer for film and Anime programs.

Education

Certification of Audio Engineering at Los Angeles Recording Workshop, CA
January 11, 2030 - September 26, 2025
Certification of Audio Engineering at Los Angeles Recording Workshop, CA
January 11, 2030 - October 21, 2025
Audio Engineering (Certification) at Los Angeles Recording Workshop
January 11, 2030 - July 11, 2026

Qualifications

Certification of Audio Engineering
January 11, 2030 - September 26, 2025
Certification of Audio Engineering
January 11, 2030 - October 21, 2025

Industry Experience

Gaming, Media & Entertainment, Software & Internet, Other