Ernst van Win

Ernst van Win

Mediator & Senior Associate | Attorney at law

Employment & Employee Participation & Employment, Employee Participation & Mediation

Ernst is recognised as an experienced consultant/mediator specialising in assisting directors and works councils of large international corporations, as well as many non-profit organisations such as orchestras, museums and provincial authorities. As a former musician himself (trumpet player), he provides advice to many in the arts. He is also a mediator to medical partnerships of professionals, based on his previous role as a dean. Ernst is regularly sought out as a business mediator and arbitrator through parties such as the Netherlands Arbitration Institute (Nederlands Arbitrage Instituut).

Education

After completing his school education at the Stedelijk Gymnasium Leiden, Ernst studied Civil Law at Leiden University and classical trumpet with the principal teacher of trumpet at The Hague Conservatory.

Career

In 1983, Ernst became an attorney alongside the eponymous Paul de Clercq, with whom he went on to form the partnership De Clercq and Van Win Lawyers in 1987. He became a registered and certified business mediator in 1996. Ernst was one of the initiators of the Grotius Employment Law specialist course and has lectured in this, as well as in rules of conduct at the Professional Law School. He joined the Supervisory Council in The Hague in 2006, in the role of ‘Leids Deken’ (Dean of Leiden). In 2009, he was elected as ‘Haags Deken’ (Dean of The Hague) and held this supervisory and administrative position until 2012. He has been a member of the Lawyers’ Conduct Review Committee, and performs various administrative and supervisory roles in the art, museum and healthcare sectors.

Ernst’s daily practice

Ernst handles matters and disputes on behalf of directors and supervisors, and provides boardroom advice on complex organisational changes. He deals with conflicts in partnerships and in behavioural and disciplinary law, and with employment and employment participation law matters, including in the art world. Ernst provides advice relating to Codes of Conduct and ethical issues.

Selected cases

Mergers of museums and orchestras

Provided advice on the employment and employment participation law aspects of proposed mergers and their finalisation.

Arbitration relating to the performance of a pension fund’s administration agreement and on a dispute involving an international partner of one of the big four accountants with his firm.

Guiding and settling of the dismissal of a director/shareholder in a rapidly growing start-up company

Negotiation and purchase of one of the oldest Rembrandts on behalf of Museum de Lakenhal in Leiden

Providing employment law guidance for professional musicians

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The latest developments

Employment, Employee Participation & Mediation

Carelessness Does Not Constitute Grounds for a Right to Be Consulted

12 October 2026

The Enterprise Chamber of the Amsterdam Court of Appeal (the “Enterprise Chamber”) delivered its ruling on 28 April 2026 in a case brought by the Temporary Works Council (the “TOR”) of the Identification and Screening of Asylum Seekers Service (Dienst Identificatie en Screening Asielzoekers, “DISA”) (ECLI:NL:GHAMS:2026:1105). The Enterprise Chamber ruled that the TOR had no right to be consulted on the decision to treat the reorganisations at DISA and the Immigration and Naturalisation Service (IND) as separate processes, without transferring personnel between them. According to the Enterprise Chamber, the decision concerned the allocation of public-law responsibilities between government services and therefore fell within the scope of the political primacy principle set out in Article 46d of the Dutch Works Councils Act (Wet op de ondernemingsraden, or WOR). Notably, however, the Enterprise Chamber described the decision-making process as “highly careless”. This finding did not lead to a different legal conclusion.

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Employment, Employee Participation & Mediation

The Self-Employment Act: When Does It Provide Legal Certainty?

8 October 2026

The government aims to provide greater certainty and clarity for self-employed professionals and their clients. To that end, on 1 October 2026, it submitted the draft Self-Employment Act (Zelfstandigenwet) for public consultation. The proposed Act seeks to answer a fundamental question: when can businesses engage self-employed professionals, and when can individuals work as self-employed professionals, with certainty that the relationship does not constitute employment? By establishing clear rules in advance, the government aims to create a safe harbour for those who meet and comply with these requirements. What exactly does the proposed Self-Employment Act entail, and what does it mean for businesses engaging self-employed professionals?

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Employment, Employee Participation & Mediation

A Camel Hunt at the Office? Don’t Forget the Works Council!

6 October 2026

Anyone who has followed the media recently will have noticed the same debate recurring: should employees be required to come into the office more often? The term “camel hunting” regularly comes up in this context. Employers are seeking to avoid a working week with two distinct “humps”, characterised by busy Tuesdays and Thursdays and near-empty offices on the other days.

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