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About Francis Jihoon Seong

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If you’re looking for a clean and flawless sound for your next production, consider working with Francis. As a professional Mixing & Mastering Engineer since 1982,  Francis worked with tons of clients of all types.


JFS MASTERING provides a unique and professional perspective when it comes to sound mixing, and actively provides helpful creative input when needed. Francis a Mix & Mastering Engineer who is always ready for a challenge, and he enjoys working on complex projects that require big efforts and the use of different skills. If delivering great sound is what you’re looking for, then look no further than JFS MASTERING.

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