2010 In November, Hyang-Ga will be performed by Korean National Chorus in Seoul Arts Center, Seoul, Korea.

2010 In October, Heroes-A Short Essay on a Theme of Shepherd Arirang for Orchestra will be performed by KBS Orchestra at the Carnegie Hall in New York, and Kennedy Center in Washington, D.C., USA.

2010 In March, Binari was performed by Korean Traditional Music Orchestra at Seoul Arts Center.

2009 In October, Tiger chasing the wind was performed in Istanbul, Turkey.

2008 In November, Arrangements-Jindo Arirang, Odoltogi, Mongumpo Taryung-was performed by Seoul Motet Choir at the Seoul Arts Center at the Seoul Arts Center, Seoul, Korea.

2008 In September, Binari for Korean Traditional Orchestra was performed by KBS Korean Traditional Orchestra in Seoul, Korea.

2008 In January, Equilibrium for orchestra was performed at the Seoul Arts Center, Seoul, Korea.

2007 In December,Binari for Korean Traditional Orchestra was performed by National Center for Korean Traditional Performing Arts Orchestra at Seoul Arts Center, Seoul, Korea.

2007 In December, Green Dragon was performed by Korea Contemporary Music Ensemble in Seoul, Korea.

2007 In November, The darker the better was performed at Sejong Hall, Seoul, Korea. In October, I was appointed to be the judge for the Mid Atlantic Arts Foundation and Pennsylvania Council on the Arts.

2007 In October, Fishermen’s song was commissioned and premiered by Korean Traditional Music Orchestra in Seoul Arts Center.

2007 In October, Song of Five Friends was performed by Seoul Motet Choir at the Seoul Arts Center, Seoul, Korea.

2007 In September, Song of Five Friends was performed by Seoul Motet Choir at the Dae-Gu Contemporary Choir Festival, Korea.

2007 In July, Ten Years was performed by San Francisco Girls Chorus in China, Korea, and Japan.

2007 In June, Ten Years was performed by San Francisco Girls Chorus in San Francisco.

2007 In May, The darker the better and Tiger Chasing the Wind was commissioned and performed at the Seoul Spring Festival.

2007 In April, Heroes and Longing under the moon was performed by the Czech National Symphony Orchestra in Prague.

2007 In March, Ancient Bell was performed by Yo-Yo Ma and the Silk Road Ensemble in Seattle, Santa Barbara, and Berkeley, California

2006 In November, Trio based on Jindo Arirang for So-Geum and two Dea-Geum was performed in Dae-Gu, Korea.

2006 In November, Binary was performed by Korean Traditional Music Orchestra in Seoul Arts Center.

2006 In October, Tripitaka Koreana was broadcasted in Gukak FM three times in Korea.

2006 In October, Tripitaka Koreana was performed in Hae-In-Sa in Hap-Chun, Seoul Arts Center, Contemporary Arts Museum in Ul-San, Culture Center in Pusan, and Sung-Nam Art Center, Korea.

2006 In September, Tripitaka Koreana was performed in Saint-Nazaire and Paris, France.

2006 In September, Ancient Bell was performed at the Ozawa Hall in Carnegie Hall, NY.

2006 In September, Ancient Bell was performed at the Ozawa Hall in Tanglewood, MA.

2006 Since September, O-dol-to-gi has been toured as a regular program repertoire by Chanticleer in U.S.A. tour.

2006 In May, Tryst was performed at the Seoul Civic Art Museum in Korea.

2006 In April, as a composer-in-residence for the San Francisco Performances, gave lectures at University of California at Berlekey, San Francisco State University, San Francisco Conservatory, and the Contemporary Music Workshop with Midori.

2006 In April, A Child who Follows a Star for soprano and piano was broadcasted by Korean Broadcasting FM Radio in Korea. In April, Tryst was performed at the Seoul Spring Music Festival in Korea.

2005 In October, A Child who Follows a Star for soprano and Orchestra will be performed by Korean Broadcasting Orchestra at the Korean Arts Center in Seoul, Korea.

2005 In October, Heroes was performed by Dae-Jeon Philharmonic Orchestra at the Opera City Concert Hall in Tokyo, Japan.

2005 In September, Heroes was performed by Dae-Jeon Philharmonic Orchestra in Korea.

2005 In July 22-31, Tryst was performed by Yo-Yo Ma and the Silk Road Ensemble at the 2005 World Exposition in Nakoya, Japan.

2005 In May, Song of Five Friends was performed by the Choral Arts Ensemble of Rochester. Minnesota.

2005 In March and April, A Child who Follows a Star for soprano and piano was broadcasted by Korean Broadcasting Radio four times in Korea.

2005 In March, Heroes was performed by Albany Symphony Orchestra, NY.

2005-8 Composer-in-Residence for San Francisco Performances.

2005 In January, Tiger chasing the wind was performed in Istanbul, Turkey.

2004-5 Since September, O-dol-to-gi, Jin-do Arirang, and Mong-gum-po Taryung have been toured as a regular program repertoire by Chanticleer in U.S.A. tour.

2004 In December, Song of Cho-Yong was performed by Seoul National University choir in Seoul, Korea.

2004 In October, Longing under the moon… was performed in Andover, MA.

2004 In October, Song of Cho-Yong was performed by Seoul National University choir in Tokyo, Japan.

2004 In October, So-Rae was performed at the Kennedy Center.

2004 In June, Tryst was performed by Yo-Yo Ma and the Silk Road Ensemble in Taiwan, Singapore, and Korea.

2004 In April, Tiger chasing the wind was performed in Hanover and Berlin, Germany.

2003 In November, Wounded Dragon was performed at the Theatre House, Castleton, VA.

2003 In October, moderator for the Choral Symposium and Vision was performed by Chanticleer and master choral at the Symposium in San Francisco.

2003 In September, Wanderlust was performed at the Kennedy Center, Washington D.C.

2003 In June, Nol-Ja! Was performed and broadcasted nationally in South bank Centre, Melbourne, Australia.

2003 In May and April, Tiger chasing the wind was performed at the Riverside Church of New York City, NY.

2003 In March, Nol-Ja! Was performed by Society for New Music in Syracuse, NY.

2003 In January, Whose are the other two? Was performed by Su-Won Civic Choir in Korea.

2002 In December, Hero was broadcasted on Classic FM, WCNY-FM 91.3, Syracuse, WUNY-FM 89.5 Utica, and WJNY 90.9 Watertown.

2002 In November, Composer-in-Residence for the Centennial of Korean Immigration in Maui and Honolulu, Hawaii. Gave lectures at Maui College and University of Hawaii. Nol-Ja! was performed in Maui and Honolulu, HI.

2002 In October, Whose are the other two? was performed at the Korean Contemporary Choir Music Festival in Korea.

2002 In September, Man follows the Earth! Was broadcasted on Classic FM, WCNY-FM 91.3, Syracuse, WUNY-FM 89.5 Utica, and WJNY 90.9 Watertown.

2002 In September and October, Tryst was performed by Yo-Yo Ma and the Silk Road Ensemble in Rome, Milano, and Venice, Italy.

2002 In May, Fanfare for 2002 World Cup in Korea was performed by Suwon Philharmonic Orchestra at the 2002 World Cup game in Suwon, Korea.

2002 In May, Tryst was performed by Yo-Yo Ma and the Silk Road Ensemble at the Chicago Symphony Hall in Chicago, and at the Carnegie Hall, NY.

2002 In May, Tiger chasing the wind was performed at the Asian Composers League Conference in Seoul, Korea.

2002 In April, Tryst was performed by Yo-Yo Ma and the Silk Road Ensemble at Berkeley and Palo Alto, CA.

2002 In April, Evening of Solstice was performed in Istanbul, Turkey.

2002 In March, Wounded Dragon for pipa was commissioned and performed at Tong-Yong International Music Festival in Korea.

2002 In March, Heroes was performed by the Riverside Orchestra in New York.

2002 In January and February, Tryst was performed by Yo-Yo Ma and the Silk Road Ensemble at the Concertgebouw in Amsterdam, the Netherlands, and in Cologne, Germany.

2001 In November, Give Thanks was performed by Logos Choir at the United Methodist Church of Flushing, NY.

2001 In November, Nol-Ja! and Longing under the moon… were performed at the Colloquium, Harvard University.

2001 In September, Longing under the moon… was performed at the third Generation Concert in Seoul, Korea.

2001 In August, Tryst for Yo-Yo Ma and Silk Road Ensemble was commissioned and performed in Niece, France.

2001 In June, Longing under the moon... was performed at the ASOL (American Symphony Orchestra League) Conference in Seattle, Washington.

2001 In May Longing under the moon... was performed by Seattle Symphony in Seattle, Washington.

2001 In May, Song of Five Friends for choir and percussion was commissioned and premiered by the Dale Warland Singers in Minneapolis, Minnesota.

2001 In April, Tiger chasing the wind - In memory of Isang Yun was performed at University of Michigan.

2001 In March, Gi was performed for the orchestra “De Ereprijs” in Amsterdam, Netherlands.

2001 In January, Boon-Tu!! was performed at the Midwinter MATA Festival at the Angel Orensanz Center in New York City.

2000 In November, Whose are the other two? (Song of Cho-Yong) was performed By Yonsei University Alumni Concert in New Jersey.

2000 In October, Whose are the other two? (Song of Cho-Yong) was performed by Contemporary Vocal Ensemble at Indiana University in Bloomington, Indiana.

2000 In August, Man follows the Earth! was performed by 4 Plus Percussion Group in August at the Seoul Arts Center in Seoul, Korea.

2000 In June, Nol-Ja! is commissioned and premiered by the International Alliance for Women in Music Annual Chamber Music Concert at the Museum of Women in Arts in June in Washington, DC.

2000 In June, a CD which contains Longing under the moon... was released in Turkey.

1998-2000 Composer-in-Residence for the Seattle Creative Orchestra.

2000 In April, Solstice was performed in Istanbul, Turkey.

2000 In March, Longing under the moon… was performed at the Frederick Stearns Building in Ann Arbor, Michigan.

2000 In February, Longing under the moon was performed at the National Association of Composers/USA (NACUSA) Winners’ Concert at the University of California Riverside.

2000 In January, a CD which includes Tiger chasing the wind for flute, viola, and harp was released by Koch International Records.

1999 In October, Equilibrium was performed at the College Music Society Annual Meeting by the Lamont Chamber Orchestra in Denver, Colorado.

1999 In September, Heroes-Fanfare for World Cup in Su-Won was performed by the Abilene Philharmonic Orchestra in Abilene, Texas.

1999 In August, Heroes-Fanfare for World Cup in Su-Won was commissioned and performed for the 2002 World Cup International Music Festival in Seoul, Korea by the Su-Won Philharmonic Orchestra.

1999 In September, Whose are the other two? (Song of Cho-Yong) was performed by the Su-Won Choir in Su-Won and in Seoul, Korea.

1999 In June, Longing under the moon... was performed at the American Composers Alliance Emerging Composers Concert at Merkin Concert Hall in New York City.

1999 In May, Whose are the other two? (Song of Cho-Yong) was commissioned and performed by the Dale Warland Singers in Minneapolis, Minnesota.

1999 In April and May, Man follows the Earth! was commissioned and performed by Ethos Percussion Group at the Merkin Concert Hall, New York, and Florida.

1999 In April, Tiger chasing the wind - In memory of Isang Yun was performed at Merkin Hall, by the Azure Trio.

1999 In February, Equilibrium was performed in Seattle by the Seattle Creative Orchestra.

1998 In September, Duo for Saxophone and Percussion was performed at the ISCM Polish Section Young Composers Workshop in Radziejowice,Poland.

1998 In July, Boon-Tu was commissioned and performed at the Norfolk Music Festival in Norfolk, Connecticut.

1998 In June, Equilibrium was performed at the June In Buffalo Music Festival in Buffalo, New York.

1998 In April, Longing under the moon... was performed at the American Composers Forum Annual Concert in New York in November and at the Turkey International Music Festival the Municipal Music Hall in Istanbul, Turkey.

1998 In March, Ripples was performed at the “Inside-Out” Concert in New Smyrna Beach, Florida.

1997 In April, Tiger chasing the wind was performed in Bloomington, Indiana University.

1996 In July, Participated in the “Crossroads of Traditions” which was the second Inter American Composers workshop at Indiana University, studied with John Corigliano and Roberto Sierra, gave a lecture on Korean traditional music and my own music, and performed When a leaf sways away.

1995 In February, Guest Composer for Oberlin Winter Chamber Orchestra; Equilibrium was commissioned and performed at the Oberlin Conservatory.

1994 In July, Fellow composer in the Composition Advanced Master Class at the Aspen Music Festival, studied with Jacob Druckman and Bernard Rands, and performed A Piece for Peace and Mourning.

1994 Octet was chosen by ISCM in Seoul, Korea.

1993 Gastroenteritis for electronic music was performed at Indiana University.

1992 Jang-Dan was commissioned and performed by the Korean Traditional Folk Music Ensemble in Seoul, Korea.

2002 Arrangements of Korean Art Songs (Love, and Missing you) for Suwon Civic Choir by Issm Records.

2002 Folk Songs of USA, Brazil, Costa Rica, Portugal, Senegal, Uruguay, and Korea for 2002 World Cup by Issm Records.

2001 Heroes –Fanfare for 2002 World Cup in Su-won, Korea by Issm Records.

2000 Tiger Chasing the Wind by Koch International Records.

2000 Longing under the moon by Double moon Records in Turkey.

2005-2011 San Francisco Performances Composer-in-Residence, Writing music for their Performer-in-Residence. And teaching for its affiliated schools such as California University at Berkeley, San Francisco Conservatory, and San Francisco State University.

2008-2009 Long Island Conservatory, SUNY Westbury Professor, Teaching music theory, history, and composition.

2003-2005 Korea Concert Society Composer-in-Residence, Writing music for their Performer-in–Residence.

2003-2004 Chanticleer Composer-in-Residence, Writing music, hosting their symposium, and judge their competition.

2003 Korean Music Workshop for Overseas Musicologists, Seoul, Korea Fellow at the National Center for the Korean Traditional Performing Arts. Research Korean music and culture.

2002 University of Hawaii, Honolulu, Maui Community College Guest Lecturer, Give lectures on Asian music and my own music.

2002 Hankuk University of Foreign Studies, Seoul, Korea. Guest Lecturer, Give lectures on Asian music and my own music.

2001-2002 Radcliffe Institute, Harvard University Fellow. Compose and Research Asian Music and electronic music.

1998-Present Flushing United Methodist Church Music Director. Direct church choir and composed music for worship service.

1998 Washington University Visiting composer. Presented my music and taught workshop.

1998 American Music Center Information System Manager Assistant. Organized and managed Information Systems and files.

1997-1998 Stamford Korean United Methodist Church Organist. Organ accompaniment for worship service and choral pieces.

1997-1998 Yale University Manager for New Music New Haven. Organized rehearsals and concerts for various ensembles.

1994-1998 Yale University Teaching Assistant. Taught Secondary Composition and music theory for undergraduate and non-major graduate students.

1995-1997 Bloomington Korean United Methodist Church Music Director. Directed church choir and composed music for worship service.

1995 Indiana University. Lecturer. Gave lecture on Korean Music at the Crossroads of Tradition conference.