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.

Romāns Vanags is a graduate of Emils Darzins' specialized music college and of the Department of Choir and Orchestra Conducting of Jazeps Vitols' Latvian State Conservatory in Riga. He has received a diploma in choir conducting and in music pedagogy and additionally studied orchestra conducting.

In 2003, Vanags received the master's degree in music. His professional work is focused on conducting and pedagogy. He served as the Chief Conductor of the teachers' choir "Vanema" for a long time and since 1990 as the principal Conductor of the Latvian University female choir "Minjona". Furthermore he was Chief Conductor and Artistic Director of Jāzeps Mediņš Music School boys` choir and worked with the Jazeps Medins Music College Symphonic Orchestra. From 1987 thru 1994, Vanags was employed at the Latvian Music Academy in Riga as professor of choir conducting and as the conductor of the academy choir. From 2005 to 2012 Vanags was the head of the Conducting Department.

Vanags has been appointed as one of the chief conductors of the All Latvian Song Celebration and the Youth Song Festival. Since 2004, Vanags is the chairman of the Latvian National Commission for UNESCO on the Latvian Song and Dance Festival, and since 2008, he is also a member of the World Choir Council. In 2008 Romāns Vanags received the highest civil decoration in Latvia – the Three Star Order. Romāns Vanags was a member of the artistic committee of the 8th World Choir Games in Riga and belongs since 2014 to the Artistic Board of INTERKULTUR.

Giovanni Acciai was born in 1946, is a renowned Italian composer, university professor, juror, workshop leader and conductor. He studied organ, composition, and choir conducting at the Conservatory “Giuseppe Verdi” in Milan, and took his master degree in musicology at Pavia University. Giovanni Acciai was conductor of the Chamber choir of the Italian Brodcast and of the Symphonic Choir of the Italian Broadcast in Turin.

Presently, he is the conductor and artistic director of the vocal and instrumental ensembles “I Solisti del Madrigale”, and the collegium vocale “Nova ars cantandi”, with which he has made concert tours and recordings; he has published several articles and reviews on early music, musicological essays, as well as recordings of unreleased works for the publishers Antes, Stradivarius, Sarx, Unda maris Archiv Deutsches Grammophon and Tactus.

His latest CD production with Nova Ars Cantandi, the "Armonici entusiasmi di Davide" by Giovanni Battista Bassani, has been nominated for the International Classic Music Award as the best CD of the year 2017 in the category Early Music.

He teaches musical history and early music semiography at the Conservatory “Giuseppe Verdi” in Milan, moreover he is the artistic director of the International choir competitions of Grado and Quartiano. He is regularly invited as an international jury member and jury president in most renewed choir competitions; he is sought after as a lecturer at conferences of musicology and asked to hold masterclasses for choral conducting in Italy and abroad.

For his high-ranking international artistical achievements in 1991, he was appointed honorary member of the American Choral Directors Associations (ACDA). Giovanni Acciai was a member in the panel of the International juries at the Choir Olympics as well as the World Choir Games and since 2004 he is an active member and official representative for Italy in the international World Choir Council.

Since 2014, he is artistic director of the Accademia di Musica Antica of Milan and active member of the Réseau Européen de Musique Ancienne” (REMA) of Versailles.

- 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.

Unanimously recognized as one of the greatest interpreters of the Renaissance and Baroque vocal repertoire, Giovanni Acciai studied choral music, choir conducting organ and organ composition at the Conservatory “Giuseppe Verdi” in Milan, and took his master degree in musicology at Pavia University.

He was conductor of the Chamber Choir and of the Symphonic Choir of the Italian Broadcast and of the Corale Universitaria of Turin. Presently, he is the conductor and artistic director of the vocal and instrumental ensembles “I Solisti del Madrigale”, and “Nova ars cantandi”, with which he carries out an intense concert and recording activity; he has published several articles and reviews on early music, musicological essays, as well as recordings of unreleased works for the publishers Antes, Stradivarius, Sarx, Unda maris, Tactus and Archiv Deutsches Grammophon.

His latest CD production with Nova Ars Cantandi, the "Armonici entusiasmi di Davide" by Giovanni Battista Bassani, has been nominated for the International Classic Music Award as the best CD of the year 2017 in the category Early Music.

His CD "Contrafacta" was named album of the month for the magazines Classic Voice and Amadeus as well as his CD "Responsoria" by Leonardo Leo for the music critic review Musica. He teaches musical history and early music semiography at the Conservatory “Giuseppe Verdi” in Milan, moreover he is the artistic director of the International choir competitions of Quartiano, Grado, Perugia and Lucca. He is regularly invited as an international jury member and jury president in most renewed choir competitions; he is sought after as a lecturer at conferences of musicology and asked to hold masterclasses for choral conducting in Italy and abroad.

For his high-ranking international artistical achievements in 1991, he was appointed honorary member of the American Choral Directors Associations (ACDA). Giovanni Acciai was a member in the panel of the International juries at the Choir Olympics as well as the World Choir Games and since 2004 he is an active member and official representative for Italy in the World Choir Games International World Choir Council. Since 2014, he is artistic director of the Accademia di Musica Antica of Milan and since 2005 active member of the Réseau Européen de Musique Ancienne” (REMA) of Versailles.

Annlaug Hus is from a village in the fjords of Western Norway. She is educated in music and education, choral conducting, piano, and production in Bergen, Norway.

Since 1988 she has had her career as a freelancer with a wide range of engagements as choral conductor and music teacher as well as pianist and repetiteur. Today she is conducting Bergen Chamber Choir and Folleso Male Choir.

Annlaug Hus is also working as production manager in “Opera Bergen” as well as a consultant in music and producing for the Western region of the Norwegian Choir Association. She had a core role in establishing the Grieg International Choir Festival in 2005, and took the position as artistic director and festival manager, a position she still has. From august 2015 Annlaug Hus will also work as vocal coach at the National Theatre in Bergen (Den Nationale Scene).

Born and brought up in Wales, UK, Katie Thomas read Music at Cardiff University before pursuing postgraduate studies in Choral Conducting at the Royal Academy of Music in London.

She is the conductor of the Royal College of Music Junior Department choirs and vocal coach/assistant chorus master to the BBC Symphony Chorus. She also directs her own professional concert project group, The Constellation Club.

Katie is proud to be a conducting mentor for the National Youth Choirs of Great Britain and enjoys working as tutor of conducting technique for the Association of British Choral Directors.

Alongside her conducting career, Katie has performed as a singer on the international concert platform with professional vocal ensembles including the Monteverdi Choir (with whom she also acted as rehearsal assistant conductor to Sir John Eliot Gardiner), Polyphony, Academy of Ancient Music, and Tenebrae.

Noted for her authoritative yet encouraging approach and sound stylistic awareness, she is considered a leading choral music specialist in the UK.