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.

Miranda Caldi is Associate Professor of Choral Conducting at the Music Department of the Ionian University. She specializes in the performance of vocal music of the Renaissance period and the performance of “Opera for Youth”.

She gained her Bachelor of Music Degree from the University of Cape Town in 1972 with the award of the “Eric Chisolm Memorial Prize for General Excellence‟. She gained her Master of Arts degree at the University of York in 1992 followed by a Doctor of Philosophy in Performance Practice in 2002.

Since 1994 she has been Director of the University Choir and Vocal Ensemble at the Ionian University. During this time she has conducted a number of significant performances in Greece and abroad. These have included large and smaller choral works from the Renaissance period to the twentieth century and many world premiers of the works of Greek composers.

Her interests also include the area of “Opera for Youth‟ in which she has taught and organized a number of productions including an International Festival for Youth Opera and commissioned new works from significant contemporary composers. Her editions of the masses of Franciscus Leondaritis have been published by York University Early Music Press and her CD Franciscus Leondaritis Missa super Aller mi fau(l)t (sur) la verdure and four motets was voted one of the top 20 CDs by the magazine Jazz and Jazz in 2003.

Dimitris Ktistakis was born in Larissa. He studied at the Saarland College of Music and Dramatic Art, where he acquired a degree in Piano Teaching and three Postgraduate degrees: in Piano Performance, Choral Conducting and Orchestral Conducting. He was selected in the two-year experimental postgraduate class Lied-Duo with Anne Kathrin Fetik and Professor Irvine Gage. He was the first conductor of the award-winning "Madrigalchor Dillingen" and a scholar of the Richard Wagner Foundation. His assets include recordings for German radio and television as well as appearances as a soloist, conductor, and accompanist of ensembles in Germany, Switzerland, Belgium, Luxembourg, France, Romania, Spain, Italy, Portugal, Latvia, Sweden, USA and Australia. He is a member of juries in international competitions. He taught "Vocal Ensemble Direction" at the Aristotle University of Thessaloniki and was the conductor of the Kozani Municipal Conservatory. He is the artistic director of the "Trikala Youth Symphony Orchestra" and conductor of the female vocal ensemble "InDONNAtión", with which he holds 4 gold awards in four successive competitions organized by INTERKULTUR. He holds the first Doctoral degree awarded in Greece in Performance of Choral Conducting (DMA). As of January 2016, he has been collaborating with the Greek Radio choir (ERT). Today he is an Assistant Professor at the Music Department of the Ionian University in Corfu, conductor of the Choir, the Vocal Ensemble and teaching the Mixed Choir Conducting Class.

Maria Emma Meligopoulou holds a Master Degree in Choral Conducting from Boston University CFA and a PhD from Ionian University Music Department. She has also studied Law at Aristotle University.

Currently, she is adjunct Lecturer at Macedonia University, where she teaches choral conducting techniques and directs University Choirs. She is also Professor of Choral Conducting at the New Conservatory of Thessaloniki. She has performed in Greece, Europe (Austria, Bulgaria, Croatia, Czech Republic, Germany, Finland, Hungary, Italy, Netherlands, Russia, Spain, Switzerland, UK), Asia (Israel, Turkey, Singapore, China, Japan), Africa (Egypt, South Africa), America (USA, Canada).

As Choral Director she has been several times recipient of First Prizes with her own Choir “Ss. Cyril & Methodios Choir”, among them the Moscow Sounds Festival, INTERKULTUR Festivals, Loto Quebec Festival (Canada), etc.

She is councilmember of the World Choir Games and she is on demand as lecturer, guest conductor and adjudicator in international symposiums, festivals and workshops in Europe, USA and Asia. In 1992 she founded the Ss. Cyril & Methodios Children’s and Youth Choir, the largest choral organization in Northern Greece with over 250 singers in five departments.

She is author of the textbook Introduction to the Art of Choral Praxis (2011) 3rd Edition in 2013 and the Music Edition: 42 Choral Works for Equal Voices by Greek Composers (2014), both available by Nakas-Papagregoriou Editions, Athens.

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.

Explorer of the human voice, compassionate and inspiring teacher, Tobias Hug has been singing, teaching, travelling for 20 years and is deeply involved with the international choral, beatbox and a cappella scene.

He currently performs with his group ‘Beatvox’, the World Beatbox Team Champions ‘The Beatbox Collective’ and is in high demand as a teacher, adjudicator and coach. A speciality of his is working with and promoting Loop Stations through his ‘Vocaloops’ community.

With the choir ‘London Voices’ he has contributed to countless movie soundtracks (The Hobbit, Interstellar).

From 2001-2012, Tobias sang with Grammy-Award winning a cappella group The Swingle Singers. As their bass and vocal percussionist he was part of seven studio albums, and performed more than 700 concerts.

Tobias is a vocal entrepreneur, co-founding and acting as Artistic Director for many a cappella festivals (e.g Vocalmente, London A Cappella Festival) and, in 2017, co-creating the Worlds Largest Beatbox Choir (6500 children in Hong Kong), entering the Guinness Book of Records.

He holds a Master in Rhythmic Choir Conducting and Vocal Leadership from the Royal Academy of Aalborg.

Dimitris Ktistakis was born in Larissa. He studied at the Saarland College of Music and Dramatic Art, where he acquired a degree in Piano Teaching and three Postgraduate degrees: in Piano Performance, Choral Conducting and Orchestral Conducting. He was selected in the two-year experimental postgraduate class Lied-Duo with Anne Kathrin Fetik and Professor Irvine Gage. He was the first conductor of the award-winning "Madrigalchor Dillingen" and a scholar of the Richard Wagner Foundation. His assets include recordings for German radio and television as well as appearances as a soloist, conductor, and accompanist of ensembles in Germany, Switzerland, Belgium, Luxembourg, France, Romania, Spain, Italy, Portugal, Latvia, Sweden, USA and Australia. He is a member of juries in international competitions. He taught "Vocal Ensemble Direction" at the Aristotle University of Thessaloniki and was the conductor of the Kozani Municipal Conservatory. He is the artistic director of the "Trikala Youth Symphony Orchestra" and conductor of the female vocal ensemble "InDONNAtión", with which he holds 4 gold awards in four successive competitions organized by INTERKULTUR. He holds the first Doctoral degree awarded in Greece in Performance of Choral Conducting (DMA). As of January 2016, he has been collaborating with the Greek Radio choir (ERT). Today he is an Assistant Professor at the Music Department of the Ionian University in Corfu, conductor of the Choir, the Vocal Ensemble and teaching the Mixed Choir Conducting Class.

Already at the age of 7, Ana Meeusen got the taste of singing and choral singing from the youth choir Scaldis Cantat. She obtained her master's degree in singing with Lucienne van Deyck in 2000 at the conservatory in Antwerp. In the meantime, she followed courses at the Lichtenberger institute where she was taught by Ruth Weimer, Gisela Romert and Martin Landzettel. She took courses in overtone singing, voice work and sound healing with Borg Groeneveld, Jan Kortie and Nestor Kornblum and Michele Averard.

Ana gave voice lessons, voice formation, vocal ensemble and choir at the academy of Borgerhout and the conservatory of Antwerp. She has collaborated on productions with Collegium Vocale, Soratea, Brussels Cathedral Choir, the Goeyvaert consort, Reflection, Victoria Consort and puppet theater de Spiegel. She sings as an alto to Currende under the guidance of Erik Van Nevel and Studium Chorale, directed by Hans Leenders.

Within the ekerse C-choir she conducted the youth choir Carmina for 19 years and for 8 years she conducted the Caljenté adult choir, which she also co-founded. Together with Johannes Dewilde, she supervises the training for children's choir conductors in Ghent.

At the Utrecht conservatory she followed the application training for choral conducting. She obtained her diploma with the highest distinction.

In 2012 she has her Chamber Choir Pantarhei born.

Ana also walks the spiritual path. Through a lot of inner work she comes more and more in connection with her authentic self and from there she also gives her workshops, concerts and projects to invite everybody in the experience of singing and sound.

Mārtiņš Ozoliņš is the Chief Conductor of the Latvian National Opera and has worked as the guest conductor with Latvian National Symphony Orchestra, Liepāja Symphony Orchestra, Lithuanian State Symphony Orchestra, Kaunas Symphony Orchestra, Leipzig Gewandhaus, Tampere Philarmonic Orchestra, and Orchestra della Fondazione Teatro Lirico “Giuseppe Verdi” di Trieste. He is a graduate of the Jāzeps Vītols Latvian Academy of Music Choir Conducting Department with Prof. Edgars Račevskis and Symphony Orchestra Conducting Department with Prof. Imants Resnis. He improved his professional skills with Helmuth Rilling, Gintaras Rinkevičius, and Vassily Sinaisky. He is the Head of the Department of Orchestra Conducting at the Jāzeps Vītols Latvian Academy of Music since 2010.

He has been the laureate of several international conducting competitions including 4th Jorma Panula Conducting Competition. Mārtiņš Ozoliņš has toured to Moscow, Mexico, Tamper, Trieste, Catania, Muscat, Leipzig, Gdansk etc. Mārtiņš Ozoliņš was the Artistic Director of the brass orchestra “Rīga” (2011–2015). He has been the conductor of the LNO since 2005 and the Chief Conductor of the LNO since 2013. From 1997 - 2016 he was artistic director and conductor of mixed choir "Sonore".

Marit Tøndel Bodsberg comes from Byneset in Norway. She received her Bachelor’s degree in Music Performance from the University of Agder/Music Conservatory of Kristiansand, with major areas of study in composition, singing and flute. In 2005, she was the only student accepted to study for a Master's degree in conducting at the Norwegian Academy of Music. The leading Norwegian choirs and ensembles with which Bodsberg has worked include the Norwegian Soloists' Choir, Vocal Art, Gjøvik Sinfonietta, Mjøsmusikk, the Oslo Chamber Choir, the Norwegian Academy of Music Chamber Choir, and the Ringsaker Opera. In addition to conducting Kvindelige Studenterssangforening, she is also artistic director and conductor of the Vestoppland Chamber Choir, the Norwegian Student Choral Society and she is a University Lecture at the Academy of Music in Oslo.

In the autumn of 2012, Bodsberg Weyde was awarded the Conductor’s Prize for Kvindelige Studenterssangforening’s performance at Norway’s national choral competition, and in the summer of 2015 she led the same choir to victory in the European Choir Games and Grand Prix of Nations. In the autumn of 2015 she received the Conductor Prize while competing with the Vestoppland Chamber Choir at the Canta al Mar competition in Spain, and again at the Anton Bruckner Choir Competition and Festival in Linz in the summer of 2017 while competing together with the Norwegian Student Choral Society.