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.

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.

Primož Kerštanj graduated from the Conservatory of Music in Ljubljana and has studied at Ljubljana University, Academy of Music. His current professional position is teaching piano and solfeggio at Willems Music Center DO RE MI Bled, where he also conducts the children‘s choir DO RE MI and the vocal group DO RE MI. Kerštanj is specialized in working with children with special needs and children with autistic spectrum disorder.

He has conducted several choirs in his career: Milko Škoberne female choir Jesenice, Vox Carniolus and from 2000 to 2010 Akademski pevski zbor France Prešeren Kranj. He has been directing Dekliški pevski zbor Gimnazije Kranj from 2006 to 2014 and has brought it to a high quality level.

Primož Kerštanj was awarded as best conductor in the competitions in Riva del Garda in 2007 and in Calella/Barcelona in 2013.

The female choir Carmen manet is one of the three choirs Primož Kerštanj conducts nowadays. Most important achievements of the choir was winning the Grand Prix at 50th Montreux Choral Festival in April 2014 and a gold plaque in the Slovenian national competition in Maribor in April 2016. 2017 Carmen manet became "Eurovision Choir of the Year 2017" which was broadcasted on TV in 12 European countries.

Primož Kerštanj is further an internationally sought-after composer, arranger and juror.

Guntars Prānis is rector and professor at the Jāzeps Vītols Latvian Academy of Music and leader of many master classes in early music as well as a much-demanded lector in Latvia and abroad.

He is a conductor, singer, musicologist and the founder and artistic director of the Schola Cantorum Riga – an internationally acknowledged professional vocal group which performs regularly in Latvia and abroad. In 2017 the group has been nominated for the Latvian Grand Prix Award in music. Schola Cantorum Riga has released many recordings.

From 2000 to 2017, Guntars Prānis has been music director at the Dome Cathedral in Riga, leading its musical life with choirs and orchestras and taking part in various international projects. He launched the tradition of summer courses related to Gregorian chant, and he has been the artistic director of the project since 1992. He is also a member of the International AISCGre association, which studies sacred music and involves scholars from all over the world.

Matteo Valbusa has graduated in Orchestra Conducting with Giancarlo Andretta and in Choral Conducting with Lorenzo Donati. Subsequently he specialized at the Sibelius Academy in Helsinki with Matti Hyökki and at the Accademia Chigiana in Siena with Daniele Gatti. Matteo further studied with M. Berrini, N. Corti, L. Golino, S. Kuret, M. Lanaro, S. Parkman, R. Rasmussen, J. Yngwe, V. Di Donato and A. Tasso.

Valbusa is the conductor of Insieme Corale Ecclesia Nova and the Male Choir La Stele which both have won several prizes at national and international competitions. In 2011 Valbusa received the 3rd Prize at the International Choral Conductors Competition "F. Liszt" in Budapest. In 2009 he was awarded the prize for best performance of Renaissance Music at the International Competition for Choral Conductors in Ljubljana.

Matteo Valbusa is often asked to give master classes and is invited as jury member in choral competitions. He is coordinator of the Choral Conducting Academy "Righele" and director of the International Choral Festival "VOCE!" in Verona.