Before joining NIRRIS, Sylva worked as a legal assistant in the international law firm Schönherr Rechtsanwälte and at the law firm Giese & Partner. During her university studies, Sylva completed several professional internships, e.g. at the District Court for Prague 4, at the Office of the Government Commissioner for the Representation of the Czech Republic before the EU Court of Justice, or at the Parliament Institute attached to the Czech Parliament. In addition to that, Sylva also participated in a number of professional workshops and contests. In 2016, Sylva completed her 1-year studies at the Law School of the Ludwig-Maximilians-Universität München in Germany.