Hein Boterberg is Head of Music and vocal coach at the IOA and works as a visiting vocal coach at the Royal Northern College of Music in Manchester (UK). He is also an acclaimed accompanist for song recitals.

He studied at the Conservatoire in his birth city of Ghent. At the Royal Scottish Academy and the London Guildhall School of Music and Drama he specialised in singing accompaniment. He was also holder of the Geoffrey Parsons Junior fellowship at the Royal College of Music.

In de Munt | la Monnaie in Brussels, he assisted Antonio Pappano and Renato Balsadonna and worked in productions with singers such as Susan Graham, José van Dam, Jonas Kaufmann and Joseph Calleja. He has also played for conductors such as Kazushi Ono and Alessandro de Marchi. In addition to this, he has worked with singers for the Filharmonie, the Flemish Radio Choir, the Flemish Opera, Covent Garden, the Queen Elisabeth Music Chapel and the Collegium Vocale, Ghent.

In song recitals he has played in Europe, Asia and Australia in venues such as the Wigmore Hall and the Purcell Room in London, the Palais des Beaux-Arts in Brussels and many more, for singers such as Sophie Karthäuser, Christian Immler, Malin Christensson, and Jonathan Lemalu. In 2006 he started the recital seriesVocal Journey, for which he devised and played concerts with young singers from all over the world.

He was coach and pianist for singing courses in the UK, Malaysia, Singapore, Thailand, Portugal and France. He was official accompanist for vocal masterclasses by Sir Thomas Allen, Robin Bowman, Emma Kirkby, Ann Murray, Loh Siew-Tuan, Graham Johnson and Dame Margaret Price.

Guy Joosten started his career as a stage director and the artistic head of the Blauwe Maandag Compagnie theatre collective. He also directed plays at the NTG, the KVS and the Brussels Kamertoneel, as well as for various companies in the Netherlands (Amsterdam, Eindhoven and Groningen). 

At the age of 28 he made his debut at the Burgtheater in Vienna; a year later he became the head director at the Thaliatheater in Hamburg.  

In 1989 he was awarded the Theatre Festival Prize in Rotterdam for his directing of Lars Noren’s play Nachtwake and received the Belgian Thalia Prize for his work with the Blauwe Maandag Compagnie.  

In 1999 the Flemish authorities honoured him with the title of Cultural Ambassador of Flanders for his opera directing. In 2010 he received the Prix de L’Europe Francophone/grand prix de la critique in Paris. 

He received the Premio Franco Abbiati /Melior Regista for his production of Elektra in Bologna (2015). 

In 1991 he directed his first opera at the Flanders Opera (Antwerp/Ghent). He has also directed works in the opera houses of Amsterdam, Barcelona, Bern, Bologna, Brussels, Duisburg, Düsseldorf, Essen, Genève, Göteborg, Hamburg, Helsinki, Copenhagen, Leipzig, Lisbon, London (English National Opera), Liège, Madrid, Maribor, Marseille, Monte Carlo, Montpellier, Oviedo, Sankt Gallen, Rouen, Saint-Étienne, Sofia, Vienna (Volksoper and Theater a/d Wien) and Zürich. In 2005 he made his debut at the Metropolitan Opera in New York with Gounod’s Roméo & Juliette.  

Guy Joosten made his debut in Asia in 2018 with productions in Seoul (Korean National Opera) and Tokyo (Japanese National Opera-Nikikei). 

In addition to his work as a director, he was also a professor at the University of Hamburg and a lecturer at university colleges in Amsterdam, Eindhoven, Saarbrücken, Maastricht and Barcelona. He teaches the opera course at the Royal Flemish Conservatoire in Antwerp and founded the International Opera Academy in Ghent where he is the general manager since 2013.  

He gives regular master-classes, e.g. in Antwerp, Sofia, Tel Aviv, Leipzig and Madrid.