SEO HYUNG JOO
Vocal Trainer · Music Director · Professor
Seo Hyung Joo is a world-class vocal director and artist coach who has shaped the voices behind some of Asia’s most successful K-POP artists and global idol projects. With decades of experience across major entertainment companies, broadcast audition programs, and academic institutions, she stands at the intersection of artistry, performance, and professional artist development.
As a Creative Partner of SUBLIME, she leads vocal performance direction, artist training systems, and music-based creative collaborations for global projects, bridging K-POP, contemporary performance, and Art × Technology experiences.
Role at SUBLIME
Lead Vocal Direction & Artist Development
Global Artist Training System Design
Performance & Sound Consulting for Media Art / Immersive Content
K-POP & Global Artist Collaboration Director
Creative Mentor for Art × Technology Projects
Global Broadcast & Major Projects
SBS – K-POP STAR (Season 3–5)
Lead Vocal Trainer
SBS – Fantastic Duo
Lead Vocal Trainer
Mnet – SIXTEEN (TWICE Debut Project)
Lead Vocal Trainer
Nippon TV – Nizi Project (JYP × Sony Music / NiziU)
Lead Vocal Trainer
Major Entertainment Companies
BIG HIT MUSIC
PLEDIS Entertainment
JYP Entertainment
STARSHIP Entertainment
HYBE JAPAN
BlockBerry Creative
M&H Entertainment
GANA Entertainment
SM Starlight (Special Vocal Program)
Selected Artists Coached
TWICE, ITZY, IVE (Liz · Rei), NMIXX (Haewon · Lily · Jinni),
Stray Kids (Bang Chan · Hyunjin · Changbin · I.N),
DAY6 (Sungjin), NiziU (Japan),
Jeon Somi, Sam Kim, Jung Seung Hwan, Bernard Park,
IZ*ONE (Lee Chaeyeon), Pentagon (Yuto), AB6IX,
fromis_9, ONF, WEi, APRIL, Kiss of Life (Natty), FANATICS, and many more.
Actors:
Park Hye Soo, Lee Si Ah, Shin Eun Soo, Shin Ryu Jin, Minami Riho, Kim Ji Min, Lee Na Eun
Academic & Education
Dong-A Institute of Media and Arts – Practical Music
Dongguk University Graduate School – Practical Music
Former Professor at:
Baekje Institute of the Arts (Media Music)
Woosong College (Practical Music)
Music & Vocal Works
Lovelyz – “Doll” (Composer)
KISSMAKER – “Mom”, “Darling”, “Honestly”,
“Will You Come Like the First Snow in Winter”,
“If We Loved Less”, “It’s Not Me”
Film “What a Man Wants” – Vocal Double for Actress Lee El
SUBLIME × SEO HYUNG JOO
Through SUBLIME, Seo Hyung Joo expands vocal performance beyond the recording studio and stage—into immersive installations, interactive media, spatial sound design, and hybrid Art × Tech performances.
Her work redefines the role of the voice as a living instrument within digital space, shaping future-forward artistic experiences.

