Ralf Eisenbeiß was born in 1952 in Zeulenroda. After his secondary school examination he studied pedagogy, German philology and musical education. He received his PhD in 1979 at the Pedagogical University of Zwickau. From 1978 to 1981, he studied choir and orchestra conducting at the Franz Liszt Conservatory in Weimar.

Ralf Eisenbeiß was working as the director of the choral department at the Pedagogical University in Zwickau and appointed professor for choir conducting and choral singing in 1987. He was conductor of the renowned Pedagogical University Zwickau Choir. With his choir he performed a wide repertoire of compositions for a cappella choirs and with orchestra, too. Under his direction the choir won numerous prizes at national and international choir competitions.

Ralf Eisenbeiß was lecturer at the central seminar for choral conductors in Berlin and organized numerous workshops himself. He often appears as guest conductor at home and abroad. Since almost 30 years he works as artistic director of INTERKULTUR. Ralf Eisenbeiß is founder of the Int. Robert Schumann Choir Competition in Zwickau and one of the founders of the World Choir Games. Since 1992 he was responsible for more than 150 international competitions of INTERKULTUR in Germany, Italy, Korea, Indonesia, China, Austria, Spain, USA and other countries. Ralf Eisenbeiß is very often invited as a juror in national and other international choir competitions all over the world.

Dang Chau Anh received her master degree in choral conducting and music education at the Vietnam National Academy of Music and Malmo Academy of Music (Sweden).

She is head of conducting subject in Vietnam National Academy of music and a member of the International Society for Music Education. She is the World Choir Council representative of Vietnam.

Dang Chau Anh has worked 20 years as chorus master, artistic director and conductor for children choirs, choir of vocal faculty, musicology- composing- conducting faculty of Vietnam National Academy of music, Vietnam SolArt and Hanoi International School. She is known as a pioneer in the field of choir and music education in Vietnam.

Together with the Vietnam SolArt Choir she attended many events and festivals of Vietnam television as well as in the role of an artistic director, she led the choir to many titles in competition such as: Gold Medal, Audience Prize and Best Performance in International Johannes Brahms Choir Festival in Wernigerode, Germany.For several years she was guest conductor in Children of the World in Harmony and The Voices Without Border in Petoskey, USA.

She is a frequent juror at choir competitions, such as the Vietnam International Choir Competition, in the Philippines, Thailand, Sri Lanka, Indonesia, Malaysia and Spain among others. Dang Chau Anh is also well-known by Vietnam Television audience as M.C, Music expert, Jury of many music programs and competitions on Vietnam Broadcasting System over the whole country.

Johan Rooze studied Piano and Conducting at the Utrecht Conservatory, the Netherlands. Later he went to the U.S. to specialize in Jazz Piano, Singing and Arranging.

He was founder and 23 years Musical Director of the Utrecht University Vocal Group “Dekoor”. They won many prices such as The Dutch Choir Festival, The International Vocal Group Festival and the “Idols for choir” TV show, “Korenslag” 2007 in the Netherlands. He was Conductor of the Utrecht Student Symphonic Choir and Orchestra. With these choirs he toured all over the world. Johan Rooze founded the “Dudok-Ensemble”, an outstanding Project Choir, conducted the monthly Bach Cantatas in Utrecht and was guest conductor with the National Radio Choir.

Furthermore he was Professor for Vocal Jazz, Conducting and Arranging at the Conservatories of Rotterdam and Alkmaar, a member of the board of Musical Advisors for the Dutch Royal Christian Music Association and Artistic Director for the International Choir Festival, Netherlands 2005.

In 2008 he moved to South Korea and teaches Choral Music and Jazz Piano at the Yeongnam University. He is musical director of a new Jazz Choir (Yaenoeul Jazz Singers) and in 2010 he founded the professional Daegu Students Choir. He is a frequent guest conductor with other choirs. Besides his choral work he is very active as a Jazz Pianist and Arranger. He works as Artistic Director for INTERKULTUR and is a frequently asked adjudicator, speaker and workshop-leader internationally.

Dang Chau Anh received her master degree in choral conducting and music education at the Vietnam National Academy of Music and Malmo Academy of Music (Sweden).

She is head of conducting subject in Vietnam National Academy of music and a member of the International Society for Music Education. She is the World Choir Council representative of Vietnam.

Dang Chau Anh has worked 20 years as chorus master, artistic director and conductor for children choirs, choir of vocal faculty, musicology- composing- conducting faculty of Vietnam National Academy of music, Vietnam SolArt and Hanoi International School. She is known as a pioneer in the field of choir and music education in Vietnam.

Together with the Vietnam SolArt Choir she attended many events and festivals of Vietnam television as well as in the role of an artistic director, she led the choir to many titles in competition such as: Gold Medal, Audience Prize and Best Performance in International Johannes Brahms Choir Festival in Wernigerode, Germany.For several years she was guest conductor in Children of the World in Harmony and The Voices Without Border in Petoskey, USA.

She is a frequent juror at choir competitions, such as the Vietnam International Choir Competition, in the Philippines, Thailand, Sri Lanka, Indonesia, Malaysia and Spain among others. Dang Chau Anh is also well-known by Vietnam Television audience as M.C, Music expert, Jury of many music programs and competitions on Vietnam Broadcasting System over the whole country.

Randy Stenson is the Director of Choral Activities at St. Mary’s International School in Tokyo, Japan where he conducts the internationally acclaimed Varsity Ensemble and International Show Choir along with the school’s 130 voice Men’s Choir.

Globally recognized for his engaging use of expressive movement in choral rehearsal and performance, he is a leading international advocate for male choral music education. In demand as a guest conductor, choral clinician, and adjudicator he has directed Honor Choirs, All-State Choirs, Festival Choirs, lead workshops, lectured at universities and international conferences, and adjudicated festivals in over 40 countries.

Co-author of Creating Artistry: Movement and the Maturing Male Voice published by Hal Leonard; he edits the Randy Stenson Male Choral Series and Randy Stenson International Choral Series for Pavane Publishing; and is co-editor of the Randy and Rachel Stenson Choral Series for Santa Barbara Music Publications.

A graduate of Concordia College in Moorhead, Minnesota and MME from VanderCook College of Music he studied under Paul J. Christiansen, Larry L. Fleming, and Robert Sinclair with further graduate study under David Ryal, and esteemed mentor Rodney Eichenberger.

Kittiporn Tantrarungroj associated himself with choral singing since his early age as a member of a church choir in his hometown. He enriched his experiences and learned the art of choral conducting while studying in the Philippines.

He is a well-known figure both in Thailand and in the international choral community. He is frequently invited as lecturer, clinician and jury member and has also served as an adviser to several ensembles in Thailand. Tantrarungroj is a vivid choral arranger and composer. His over hundred choral arrangements are frequently sung by various choirs in Thailand.

He has conducted numerous groups, from church to school and university choir as well as community and concert choirs. At present, he conducts “The Bangkok Voices”, a multi-award winning choir which is considered to be the best choral group in Thailand and currently claiming place 114 in the INTERKULTUR World Ranking List.
Moreover Tantrarungroj is an accomplished piano and organ player.

Tantrarungroj lives in Bangkok and works as a surgeon. Besides conducting “The Bangkok Voices”, he also serves as Vice-President of the “Thailand Choral Association”, Member of the “International Federation of Choral Music - Asia-Pacific Choral Council” and Member of the “World Choir Council”.

Jonathan Velasco is a much sought-after choral conductor, clinician and adjudicator in the world today.

He and his choirs have won first prizes in major European choral competitions. He regularly adjudicates choral competitions in Europe and Asia, and gives choral conducting workshops and choral clinics worldwide. He currently conducts the Ateneo Chamber Singers.

Velasco is the Philippine representative in the INTERKULTUR World Choir Council. He was elected the first President of the Philippine Choral Directors Association in 2008. He was awarded the Pinoy Playlist Music Festival Ryan Cayabyab 2022 Award for his lifelong excellent contribution to Filipino choir music. He was recently appointed by President Ferdinand Marcos, Jr. to the Board of Trustees of the Cultural Center of the Philippines.

Born into a musical family of Chinese Opera composers and musicologists, Wang Jin began to play the piano at the age of six. She obtained her bachelor’s degree in choral conducting at the China Conservatory of Music under Professor Wu Lingfen and received her master’s degree in choral conducting at the Shanghai Conservatory of Music under Professor Ma Geshun. Later she studied with Professor Peter Erdei and Professor Eva Rozgonyi in Hungary and with Dr. Betsy Cook Weber in Houston-TX.

Wang Jin founded Shanghai BG Choir (2005) and was a founding member of The Shanghai International Festival Chorus-IFC (2003) and the Shanghai International Choral League-SICL (2011). Currently, Wang Jin has been a lecturer and jury member of several national and international choral competitions, an Associate Professor of Choral Conducting at Shanghai Normal University's Music College and lecturer at the Shanghai Conservatory of Music. She has been the artistic director and conductor at the Shanghai Opera Chorus, the Wen Zhou Great Theater Philharmonic Choir as well as Shanghai BG choir. She also is a board member of the China Chorus Association, and Vice-President of the Shanghai Choral Association.