Marie is a French avocat specialising in international arbitration. She has a broad range of expertise with a particular focus on treaty and other investment disputes, particularly in the energy, power and resources sectors. She has advised and represented clients in numerous bilateral investment treaty and ECT claims under the ICSID and UNCITRAL arbitration rules, as well as in ICSID annulment proceedings.

Marie also sits as an arbitrator and speaks regularly on arbitration.