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.

- in memoriam -

Christian Ljunggren was born in 1942. He studied music at the Royal Academy of Music in Stockholm as well as musicology and theology at the University of Uppsala. For many years he worked at the Music Department of the Swedish National Broadcasting Company, and was responsible for the presentation and programming regarding music.

He was the conductor of the Adolf Fredrik Madrigal Choir since their foundation (1965 and 1974). He was the first President of the Swedish Choral Directors Association (1986 – 1998) and President of KÖRSAM, the joint committee of the Swedish choral organisations (1997 – 2004). From 1997-1999  he worked for the of IFCM, the International Federation for Choral Music, as the Secretary General from 1997-1999 and as a liaison officer (until 2005).

He was one of the Artistic Directors of INTERKULTUR and the Artistic Director of the World Choir Games. Due to his engagement as a clinician for seminars and workshops around the world and having built up the INTERKULTUR series of seminars in China the Swede gained growing recognition since 2003.

Christian Ljunggren has written numerous articles in Swedish and international magazines and was also a keen arranger of choral music.

Conductor, music director, clinician and adjudicator

• Music director of the Alexandria Harmonizers (BHS), the Pride of Baltimore (SAI),
• Member of the Barbershop Harmony Society (BHS), a charter member of NCCO, and in ACDA, MENC, and Chorus America
• Certified music judge in the BHS and the youngest of 9 men to be named “Master Director” in BHS history
• BHS Board of Directors from 2012-2014

Clinician, author, conductor, educator, composer, arranger

• Founder of the University Children’s Choir and the International Vocal Ensemble at Indiana University Jacobs School of Music
• Developed the Global Voices DVDs for introducing songs orally and visually using technology
• Educator for teachers about children’s voices
• Co-author of the recent publication “Educating Young Singers: A Choral Resource for Teacher-Conductors”, and two series books, “Share the Music” and “Spotlight on Music”

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.

Aida Swenson is one of Indonesia‘s strongest forces of choral music development. A founder and conductor of the Indonesian Children‘s & Youth Choirs- Cordana, who have gathered international recognitions and awards, and have been invited to perform in major cities worldwide.

As a graduate of the Westminster Choir College, Princeton, USA and as a sought after clinician, Aida Swenson conducts numerous workshops and adjudicates national and international events. Her activities as a juror includes in: USA, England, Germany, Vietnam and Singapore.

Aida Swenson has spent many years traveling throughout Indonesia creating and leading choirs, giving masters classes, and training choral conductors. However, her professional endeavors are largely but not limited to her choral clinician activities. Her professional activities include: Council Member of the World Choir Games for Indonesia; Member of the Advisory to INTERKULTUR‘s World Choir Games; Chairman of the Foundation for the Development of Choral Music in Indonesia; Member of Advisory of the Foundation of Church Music; Member of Artistic team of Polyfollia World Showcase; Member of the committee APCS-IFCM; Artistic Director of National Christian Universities Choir Competition in Indonesia.

Aida Swenson is featured in the “World Who is Who in Choral Music”. Her personal commitment to her musical endeavors in Indonesia is not only centered on her vision in furthering the quality of children‘s choral development. Aida is a pillar of change, of progression, and of energy to achieve unassailable quality in choral music in Indonesia and internationally.