Our Musicians
Meet the young musicians of Euphonos Ensemble

Cello / Co-Founder
Emily Seo
Emily Seo, 17, is a senior at Jesuit High School. She began studying cello at age five and currently works with Hamilton Cheifetz. Emily is a member of the Portland Youth Philharmonic, where she served as assistant principal for two seasons. In 2026, she won the Amadeus Chamber Orchestra Competition and placed first in the OMEA District 15 Solo & Ensemble Festival. She won first place in the 2025 OMTA Orchestral Instrument Scholarship Competition and was the winner of the 2024 MetroArts Young Artists Debut! Competition. She also placed second in the 2024 OMEA State Solo Contest. In 2023, she received the Monday Music Club Scholarship and earned an Honorable Mention in the Oregon MTNA Senior Strings Competition. She has been selected for the Oregon All-State Orchestra since her freshman year, serving as assistant principal, and in 2025 performed with the All-Northwest Orchestra. Emily has attended numerous summer music programs, most recently the Meadowmount School of Music in 2026, where she studied with Hans Jørgen Jensen. Her previous summer programs include the Bowdoin International Music Festival, the National Symphony Orchestra’s Summer Music Institute at the Kennedy Center, where she served as principal cellist, Center Stage Strings at the University of Michigan, and the Jacobs School of Music Summer String Academy at Indiana University. Through these programs, she has also studied with Richard Aaron, Amir Eldan, Horacio Contreras, and Danielle Cho, and has performed in masterclasses for Norman Fischer, Peter Prosser, Dennis Parker, and Bion Tsang.

Violin / Co-Founder
Kaylee Nah
Kaylee Nah, 17, is a senior at Sunset High School and has studied violin with Hae-Jin Kim since the age of five. She serves as co-concertmaster of the Portland Youth Philharmonic orchestra. Kaylee was selected as concertmaster of NYO2 2025/2026 (National Youth Orchestra), performing at Carnegie Hall and the Edinburgh International Festival. She was also chosen as concertmaster for both the 2024 and 2025 OMEA All-State Symphony Orchestras, and for the World Youth Symphony Orchestra of the Interlochen Arts Camp. Kaylee was honored as a 2026 YoungArts Award Winner. She is also the three-time OMEA State Solo Contest 1st place Champion for 2024, 2025, and 2026, and the winner of the Oregon MTNA 2025-2026 Senior Strings Competition. Additional honors include 1st place in the Oregon ASTA Solo Competition, Eugene Symphony Guild Legacy Young Artist Competition, MetroArts Young Artists Debut! Competition, and the Monday Musical Club Award Competition, where she received the $2,000 Phillips Award for Best Instrumental Performance. As an active soloist, Kaylee has performed with the Eugene Symphony, Camerata PYP, Amadeus Chamber Orchestra, Jewish Community Orchestra, and Oregon Sinfonietta. She has participated in masterclasses with numerous renowned artists including Ray Chen, Vadim Gluzman, Simone Porter, and Benjamin Beilman. Kaylee enjoys performing in many smaller chamber ensembles. Her chamber music accomplishments include first place in the 2024 OMEA State Small Ensemble Contest and the 2025 Maude Sardam Collaborative Scholarship Awards Competition. She has also studied piano for 10 years and completed the OMTA syllabus Level 10 with distinction.

Piano / Musician
Sara Huh
Sara, 15, a sophomore currently attending Sunset high school. She has been playing piano for almost 9 years, and won first in several OMTA piano festivals since 2019. She also won first place in the Tom O’Brian Junior’s scholarship competition and alternate winner in the 2023 Junior MTNA Competition. She is also entering as a pianist in Portland's Youth Philharmonic.

Violin / Musician
Yoojin Kang
Yoojin Kang, 16, is a junior at Westview High School. She started violin when she was 6 years old and is studying with Hae-Jin Kim. Yoojin has received several outstanding prizes for OMTA festivals and scholarship competitions. She has also contributed to the 2024, 2023 OR-ASTA Honors Recital and was a finalist in the junior division of the Oregon Mozart Players Artist Competition. She contributed to other group performances like a string quartet for the Oregon Repertory Singers Youth Choir. In 2025, she sat assistant concertmaster for the OMEA All-State Honors HS Orchestra, along with sitting assistant second violin principle for the 2025 NAfME All-NW Honors Orchestra. She also had the opportunity to have master classes with Alexi Kenney, Sunmi Chang, Jessica Lee, Simone Porter, the Miró Quartet, the Brentano Quartet, and the Calder Quartet. In summer of 2025, she also attended the Brevard Music Center Summer Institute in North Carolina and was additionally accepted into the Concertmaster Studio program. Yoojin has been a member of the Portland Youth Philharmonic since the 95th season and currently serves as a co-Concertmaster. Now, she plays in a PYP Quartet and the Camerata PYP. She was the 2 nd violin principal of their Young String Ensemble in 2020, and also was the 2nd violin principal of their Conservatory Orchestra in 2021.

Cello / Musician
Kristen Kim
Kristen Kim is a 17-year-old cellist from Portland, Oregon. She began studying the cello at age six and currently studies with cellist Hyun-Jin Kim. At 12, she made her solo debut with the Oregon Mozart Players after winning first prize in the orchestra's 2022 Young Soloist Competition. She has since appeared as a soloist with the Amadeus Chamber Orchestra, Oregon Sinfonietta, Eugene Symphony, and members of the Oregon Symphony through the Cognizart Young Artists Debut! Competition. Kristen is the recipient of numerous honors, including first prize in the MTNA Oregon State Junior Strings Competition, the 2025 National Federation of Music Clubs Mary Cox Award, and the Monday Musical Club of Portland's Phillips Award. She is also a 2025–2026 All Classical Radio Young Artist Ambassador. Kristen currently serves as co-principal cellist of the Portland Youth Philharmonic. She enjoys sharing music with others and values the friendships and sense of community that making music together brings.

Oboe / Musician
Jayden Seo
Jayden Seo is a 15-year-old sophomore at Sunset High School. He has studied the oboe for four years and currently studies with Karen Wagner. He performs with the Portland Youth Philharmonic. In 2026, Jayden served as principal oboist of the Oregon All-State Orchestra and won first place in both the OMEA District 15 Solo & Ensemble Competition and the Oregon State Solo & Ensemble Championship. This summer, Jayden participated in Carnegie Hall’s NYO2, performing at Carnegie Hall and touring with the orchestra in the Dominican Republic. Outside of music, he is a varsity tennis player at his school and enjoys competing in tennis.
Former Members
Luke D’Silva · Viola / Co-Founder · 2023–25
Andrew Lee · Violin / Co-Founder · 2023–26
Alex Tran · Piano / Co-Founder · 2023–26
Yuri Yamaguchi · Violin · 2024–25
Sawa Yamaguchi · Violin · 2024–25
