Wim Vos was first a percussionist working with orchestras such as Rotterdam Philharmonic Orchestra, the Residentie Orkest and Slagwerkgroep Den Haag and has also been the senior professor at the Royal Conservatorium. He was thereafter artistic coordinator of the RO and director of the KC and Asko|Schönberg. He is currently the artistic coordinator for NJO, the Dutch orchestral and ensemble academy.
Eveline Hartogs is a retired lawyer and has worked as attorney (Van Traa advocaten Rotterdam), as a business secretary (Nedlloyd, Joh. Enschedé en Boer&Croon) and as a clerk for the Supreme Court of The Netherlands. She is also a board member of the Vrienden van de Residentie Bach Ensembles and a member of the Adviescommissie civiele cassatieadvocatuur (Nederlandse Orde van Advocaten).
Margie van der Valk is a tax consultant and works in taxation as a partner in an international consulting firm. She has a great personal affinity with the arts and culture. She has always worked on an international level traveling extensively, taking the chance to see performances abroad as well as at home. As a resident of The Hague, she is pleased to support OPERA2DAY. She is married with three children and the piano, bassoon and violin are often heard in the house.
Irma van Lierop (1967) is business manager. She works as a business consultant for the Concert and Congress Centre de Doelen in Rotterdam. Here, she is responsible for the attaining and retaining external financing from individuals, funds, the government and the business sector. Prior to this, she held various marketing and management positions at organizations such as Rotterdam Festivals and the Volkskrant.