Reinier is a corporate partner at De Brauw Blackstone Westbroek, specialising in corporate law, corporate governance and mergers and acquisitions. He advises listed companies on corporate governance, stakeholder activism, redomiciliations, public offers, and other strategic issues.
Reinier is general secretary and executive board member of VEUO, the Dutch association of listed companies, and board member of European Issuers, the European representative organisation of listed companies. He also serves as chair of the Corporate Law Advisory Committee of the Dutch Bar Association and the Royal Association of Dutch Civil Law Notaries and is an editor for the Dutch Journal for Corporate Law Practice.