Young Jo Lee(b. 1943) was born in Korea, received both his Bachelor's and Master's degrees from Yonsei University in Seoul. He continued his studies with Carl Orff and Wilhelm Killmayer at the Hochschule fur Musik in Munich, Germany. After receiving his Doctorate from the American Conservatory of Music in Chicago, he subsequently served as chairman of the Theory and Composition Department from 1989 to 1994. As a guest composer of the New Music Festival of the International Society of Contemporary Music(ISCM) from 1985 to 1987, he worked in Budapest, Amsterdam, and Wurzburg, Germany. He was appointed as a composer in residence at the New Music Festival of Maastricht(2005) Netherlands, Moscow Contemporary Music Festival(2005) and Commissioned Composer at the University of Wisconsin, River Fall(2017). The Korean National University of Arts invited him as a professor of composition eventually he became Dean of the School of Music(1994-2008), Director of the Korean National Institute for the Gifted in Arts(2008-2012), Chairman of the Board of Koran Symphony Orchestra, Art Director of Korean-Russia Music Festival and Board member of Korean National Opera Company. Lee's music is characterized by strong Oriental feelings with a German theoretical influence. His chamber music, choral music, orchestral works are well known to the Asia and Europe. His opera Whang-Jinie staged in several cities such Seoul(1999, 2007, 2012) Beijing in China(2000), Tokyo in Japan(2001), Los Angeles in United States(2002), Moscow in Russia(2003) and Hanoi in Vietnam(2004). At present he is President of 20 Trillion Production Korea which produce Korean spiritual contemporary music.

Prof. Ouk Sook Kim is, as the first female professional choral conductor in Korea, one of the Korean’s most distinguished and respected choral directors. Kim is a director of the Korean Choral Directors Association(KCDA) and now serves as a vice-chairperson of the KCDA. She was an ex-chairman of the Korean University Choral Association, a chairperson of the Department of Voice, Composition, & Choral Conducting of Hyupsung University and an artistic director of OS Chamber Choir. She began her conductor career as a director of Nanpa Boys & Girls Chorale and had completed international concerts of Eastern Europe. She has started teaching at Hyupsung University since 1990 and founded Hyupsung Master Chorale that has performed annual concerts and been invited at Korean Choral Festival, University Choral Festival and many occasions. She has founded OS Singers, a professional female ensemble in 1997 and soon after launched OS Chamber Choir(mixed voices). Kim’s goal is to represent contemporary global choral music and composers by focusing experimental and creative choral music. She studied choral conducting in United Sates of America at Mannes School of Music under Prof. Amy Kaiser and at SUNY Stony Brook under Prof. Karen Ahlquist. Also she studied at the graduate school Hartt School of Music and New England Music Conservatory under Prof. Laura Cook Deballon. She earned M. A. degree in Choral Conducting from Washington State University. She also researched twenty-century choral music with Prof. Paul Spicer of Royal College of Musician England as a visiting fellow.

Tim Sharp is Executive Director of the American Choral Directors Association, the professional association for choral conductors, educators, scholars, students, and choral music industry representatives in the United States. He is on the Executive Committee of the International Federation for Choral Music and serves as Vice-President. As an active choral conductor, researcher, composer, and writer, Tim has varied his career serving as university and seminary professor, and has held executive positions in music publishing, recording, and non-profit administration. He is in his tenth year as Artistic Director of the Tulsa Oratorio Chorus. Prior to his leadership of ACDA and IFCM, Sharp was Dean of Fine Arts at Rhodes College, and earlier, Director of Choral Activities at Belmont University. Dr. Sharp is a Life Fellow of Clare Hall, Cambridge University, with degrees in music and conducting from The School of Church Music (Louisville, KY), Belmont University (Nashville, TN), with post-graduate studies at the Aspen Music School, Harvard University, and Cambridge University.