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.

Antonio del Pino is a graduate on Theology of the Faculty of Granada and furthermore in Viola and Organ from the Conservatory of Málaga. Meanwhile del Pino has specialized in organ performance, especially the ancient Spanish repertoire, in several courses taught by outstanding national and international experts, such as Montserrat Torrent and Roberto Fresco.

Currently Antonio del Pino conducts the Málaga Cathedral choir, for which at the same time he is the second organist. As a result of his musical research projects at Music Chapter Archive, del Pino catalogued the repertoire in use during the 20th century and has valued the figure of composer and organist Juan B. Antolinez Casino.

Just recently Antonio del Pino has continued his musical studies at the Pontifical Ambrosian Institute of Sacred Music and graduated with a Master in Gregorian Chant and its disciplines paleography, semiology, modality and interpretation. Subsequently to his master thesis Aquitanian Influence on the Library of Plaint Chant of the Cathedral of Málaga” del Pino founded and conducts the choir “Voices Capituli”, which has specialized in this particular repertoire.

Since 1998, Mārtiņš Klišāns, works as art director of the Rīga Cathedral Boys’ Choir. Under his guidance, the choir has been granted the Latvian Grand Music Award - the highest State award in music and Latvian Music Recording Award.

Klišāns has graduated from the conducting class at the Jāzeps Vītols’ Latvian Music Academy (tutored by Imants Kokars). He got his Master’s degree in 2009. His vocal skills were improved at Bach Academy (Stuttgart, Bruce Abel). As a vocalist, Klišāns has contributed to the chamber choir Ave Sol and Rīga Vocal Group. As a tenor solo performer, he has participated in more than one hundred performances of the Baroque operas and oratories.

Klišāns still teaches at the Rīga Cathedral Choir School and at the Jāzeps Vītols Latvian Academy of Music. In July, 2004, he was a guest conductor at the Americafest: the world festival for boys’ and men’s choir singing. He’s a member of the council of the World Choir Games and of the INTERKULTUR association, and has been a part of international juries lately. He is the conductor of the amateur choirs Juventus and Beverīna and also conducts the mixed choir Vaidelote, the mixed choir Valmiera, and is chief conductor of Cēsis district. Klišāns has also been elected chief conductor of the Great Song Festival 2008, 2013 and 2018 as well; he was also among the chief conductors of the IX and X Latvian Youth Song and Dance Festivals. Annually he is invited to the different choral competitions as a jury member. In 2015 Mārtiņš Klišāns got the highest State award – The Order of Three Stars.

Antonio del Pino is a graduate on Theology of the Faculty of Granada and furthermore in Viola and Organ from the Conservatory of Málaga. Meanwhile del Pino has specialized in organ performance, especially the ancient Spanish repertoire, in several courses taught by outstanding national and international experts, such as Montserrat Torrent and Roberto Fresco.

Currently Antonio del Pino conducts the Málaga Cathedral choir, for which at the same time he is the second organist. As a result of his musical research projects at Music Chapter Archive, del Pino catalogued the repertoire in use during the 20th century and has valued the figure of composer and organist Juan B. Antolinez Casino.

Just recently Antonio del Pino has continued his musical studies at the Pontifical Ambrosian Institute of Sacred Music and graduated with a Master in Gregorian Chant and its disciplines paleography, semiology, modality and interpretation. Subsequently to his master thesis Aquitanian Influence on the Library of Plaint Chant of the Cathedral of Málaga” del Pino founded and conducts the choir “Voices Capituli”, which has specialized in this particular repertoire.

Fred Sjöberg, born 1953, is an educated singer and choral conductor at the Royal Academy of Music in Stockholm and Örebro. Among others he has studied with Prof. Solwig Grippe, Prof. Eric Ericson and Prof. Helmuth Rilling. He has been the first conductor to conduct the three major international youth choirs as World Youth Choir (1991 and 2005), World Chamber Choir (1993) and European Youth Choir (1999).

When the Swedish organization for young choirs “UngiKör” started he was elected as their first president. In 2000 he was appointed as the “Conductor of the Year” in Sweden by SCDA (Swedish Choral Directors Association) appointed with the Johannes Norrby Medallion for outstanding and 2001 service and development to the Swedish Choral Life. From 1997 to 2004 he was the Music Director and conductor of the project “Notes for Millions”.

From 2000 to 2004 he was also Music Director of the Swedish Choral Centre as well as Artistic Director for Lund International Choral Festival from 2005 to 2006. Since 2009 he is Music Director of Swedish International Choral Centre in Örebro. Fred Sjöberg has been Vice President of Europa Cantat as well as President of the Music Commission of Europa Cantat and has also been Vice President of IFCM.

He is Council Member of INTERKULTUR and also on the Artistic Directorium of INTERKULTUR.

From 2015 he is General Artistic Director of INTERKULTUR.