Diana has practiced law for more than 20 years, specializing in employment law and corporate law. The first 10 years she worked with big lawfirms such as Dirkzwager in the corporate section and Houthoff Buruma in Amsterdam, where she worked within the Labour and Pension practice group.

Diana studied Dutch law at Utrecht University. In 2000, she followed the Grotius post-'doctoraal' programme in Employment Law. In 2013, Diana successfully completed the Grotius specialist training course in Corporate and Business Law. Diana is also a lawyer trainer with the Professional Education Program for lawyers. She is co-author of the guidebooks on "Personnel Management" and "Human Resource Management" used in higher professional education. Diana is a member of the following specialised professional associations: the Amsterdam Association of Employment Law Attorneys and the Dutch National Association of Employment Law Attorneys.

Diana has extensive experience advising on matters of dismissal law (individual as well as collective redundancy), the position of company directors, co-determination law and its related rights, collective bargaining law, reorganizations, the employment (law) aspects of mergers and acquisitions, litigation in individual dismissal cases as well as advising and litigating in the matter of contracts, shareholders' agreements and joint venture agreements.