Lee Kisun is a well-known conductor that thoroughly expresses each composers’ intention and the depth of music. Lee majored in choral conducting achieving both a bachelor's and master's at the Juilliard School of Music, returning to Korea in 1988.
Afterward, Lee worked as a professor at Chongsin University and as a music director at the Sungnam Municipal Chorus. Lee then dedicated himself to train junior scholars as well as actively engage in professional chores in Korea, to become a leading example.
Dr. Lee had an interest not only in choral music but also in orchestral music that he conducted a number of domestic and international orchestras. In 2003, he studied abroad at The University of Arizona where he received a doctor's degree in orchestral conducting. After returning, Lee worked as a music director at the Goyang Civic Choir and the Daegu City Choir.
In December of 2019, he was appointed as the 10th art director of the Busan Metropolitan Chorus and ascended the Busan Metropolitan Chorus to the summit of culture in Korea. Dr. Lee emphasized diffuse performances of new music which he would introduced at least one third of at every performance.
Lee not only introduced the essence of choral music through the Modern Music Series but also a different variety of large-scale choral works to audiences such as Williams' Dona Nobis Pacem and W. Walton’s Belshazzar's Feast. Through his long study and experience, Lee obtained an exceptional interpretation of music and created exclusive sounds that are glossy and deep. These characteristics of Lee's found favor in audiences' evaluation because it included inspiration and impression.

Anthony T. Leach, prfessor emeritus of music/music education at Penn State continues to serve as music director and founder of Essence of Joy. He was conductor of the Penn State University Choir from 1994 to 2015 and taught under-graduate and graduate courses in choral music education, choral literature and conducting. Leach holds the PhD in music education and the M.M. in conducting from Penn State, and a B.S. in music education from Lebanon Valley College, Annville, PA. During the 2009 – 2010 academic year, Leach served as Penn State University Laureate. 
Leach has conducted choral festivals in the following locations: Virginia, Maryland, Pennsylvania, West Virginia, Nebraska, Missouri, Florida, New Jersey, New York, Connecticut, Kentucky, Alabama, Rhode Island, Massachusetts, Vermont, Washington, France, Venezuela, Argentina, Japan, South Korea and Taiwan. Choirs under his direction have performed for the American Choral Directors Association, International Federation of Choral Musicians, the National Board of the NAACP, Schumberg Museum (NYC).
Leach continues to serve as conductor of the Essence of Joy Alumni Singers and Essence 2 Ltd. In 2017 Leach retired as artist in residence at New Bethel Beptist, Washington, DC after 34 years of service. He recently retired as director of music/worship and the arts with the Monumental AME Church, Steelton, PA. Dr. Leach is a life member of the American Choral Directors Association, Gospel Music Workshop of America, Inc. and the National Association for Music Education. He is also a member of Chorus America.

Bomi Kim, currently Associate Professor of Choral Conducting and Director of Choral Activities at Yonsei University in Korea, Has achieved numerous accomplishments as a conductor, teacher and administrator.
In 2012, she became not only the first woman, but also the first Asian choir director in the rich history of the Vienna Boys’ Choir. She held this position until her return to Korea in 2016. She was the main organist and Choir director at the Kreuzkirche and also worked as a music teacher at the Regensburg Music School. From 2007 to 2015 she was a member and music coach of the Arnold Schonberg Choir and worked with the same choir as opera choir director at the Theater an der Wien.
One of the significant highlights of her career is winning the Ortner Prize, which is awarded to the best female choir conductor in Austria in 2013. She is currently the music director/conductor of the World Vision Children’s Choir Korea, the vocal ensemble, “The Singers” and the Saemoonan Presbyterian Church Seraphim Choir in Seoul.
She received her Bachelor of Music in Choral Conducting from Yonsei University. After studying church music in Regensburg, she moved to Vienna and received her master’s degree in choir conducting, vocal music and Gregorian singing at the University of Music and Performing Arts in Vienna.

Jennifer lives in the world of possibilities—the countless ways in which a theatre of voices can offer a word, a thought, a sound. She directs the SYC Ensemble Singers (Singapore), a choir devoted to the work of living composers, and brings the same contemporary sensibility to high school and university choirs, and other choirs she has been invited to conduct, in Canada, France, Hungary, Japan and Taiwan. For her role in shaping Singapore’s cultural landscape, she was awarded the Cultural Medallion, the nation’s highest arts accolade, by the President of the Republic of Singapore. 
Jennifer has chaired and spoken on panels at conferences and symposia in Singapore, Argentina, Denmark, Estonia and Sweden; and was Artistic Director of the Asia South Pacific Symposium on Choral Music (Singapore, 2001) and its offshoots, the First Aid for Choirs clinics (2002-2017) and Kodaly Seminar Asia series (2009-2016) for music pedagogues.
She taught choral conducting and pedagogy at the Nanyang Academy of Fine Arts, and gives short courses and workshops on repertoire, conducting, and rehearsal technique, equipping conductors around the world with tools for growing a choir.
She most recently gave workshops on Games Choirs Play at the 2023 World Symposium on Choral Music, Istanbul, Turkey.For the International Federation for Choral Music, Jennifer co-coordinates the Asia Pacific Working Committee which organises the Asia Pacific Choral Summit and manages the Asia Pacific Youth choir.
She represents Singapore on the World Choir Council, serving on jury at the World Choir Games since 2004, and at independent international choir festivals since 2003.