Yseult read law at the Facultés Universitaires Saint-Louis (FUSL) and the Université libre de Bruxelles (ULB). She holds a postgraduate degree in notariaat from the Vrije Universiteit Brussels (VUB). Between 1999 and 2006 she worked as a legal clerck in a notary office and as a compliance officer in a bank in Brussels, in parallel as a research assistant at the Centre de droit public, Université libre de Bruxelles. Her doctoral research, entitled A legal narrative for English and Belgian public-private partnerships was carried out under the supervision of Professor John Bell, at the University of Cambridge (2011). She moved to the University of Essex in 2010. She also teaches in Brussels (ULB, comparative administration). She is a research fellow at the University of Speyer (Germany) for the period 2016-2018.
She thaught in the Global Bachelor Programme at the University of Dauphine (London campus, 2014-16). Between 2011 and 2016, she was co-director of the double degree LLB English and French Law (with Maîtrise 1), a partnership between the University of Essex, the University of Paris-Ouest-Nanterre, Lyon 3 and Toulouse-Capitole.
Her book Public Private Partnership and the Law (EE, 2014) has been shortlisted for the 2015 Birks Prize for outstanding legal scholarship. Yseult has been the recipient of a British Academy/Leverhulme Trust small research grant (2013-15), a ESRC - Essex Impact Acceleration Account grant (2016) and a Britisch Academy Rising Star Engagement Award (2016-17). Thanks to these awards, she seeks to develop a conceptual framework to engage with non academic actors and ensure that comparative public law research can contribute to debates and exchanges outside the university world.
2018: Organisation of a workshop on "Researching administrative power" (Essex, with Professor Peter Cane and financial support from the Society of Legal Scholars)
2017: Organisation of a conference "Comparative public law in Europe" (British Academy)
2016: Organisation and management of a blog dedicated to comparative public law in Europe: europeancommonwealth.org/
2016: Organisation and management of a blog for law academics writing in English: law-academics-unblocked.org/
2016: Workshop on the management of large public contracts - legal opportunities and challenges (cooperation between the Essex Law School and Paris-Dauphine, London): convenor
2014: British Association of Comparative Law (BACL, british-association-comparative-law.org/), treasurer
2014: Institute of Leadership and Management, member
2014: Contrats et Marchés Publics, member of the editorial board: editionslarcier.larciergroup.com/revues/120237_6_30978/marches-et-contrats-publics-overheidsopdrachten-en-overeenkomsten-m-c-p-o-o-o.html
2013: Higher Education Academy, fellow
2010: VUB PPP Chair (Brussels), advisory board member