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 more than 20 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 about hundred 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 for the two-year experimental postgraduate class in Lied-Duo under Prof. Irvine Gage. He worked as Assistant Conductor of the Saarland University Symphony Orchestra and Chorus. For ten years he has been founder and conductor of various vocal ensembles, main conductor of the award-winining Madrigalchor Dillingen and a scholar of the Richard Wagner Foundation. He has served as judge in numerous choral competitions and as choir director in official ceremonies of the Saarland state. He taught Vocal Ensemble Direction at the Aristotle University of Thessaloniki and was orchestral and choral director at the Municipal Conservatory of Kozani.

Today he is Artistic Director of the women’s vocal ensemble “InDONNAtión,” based in the Municipal Conservatory of Larissa, where he also teaches choral conducting, and of the Trikala Youth Symphony Orchestra. With “InDONNAtión,” he has received two gold awards in two successive competitions organized by INTERKULTUR (in Kalamata and Corfu).

He is a Doctoral Candidate in choral conducting at the Department of Music Studies of the Ionian University at Corfu, while teaching choral conducting at the Ionian University and directing the department’s choir. As of January 2016, he is directing the Greek National Radio Choir (ERT).

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.