Represented States and State-owned entities in numerous international arbitrations (ICC, PCA, ad hoc, IATA) involving State responsibility, force majeure, international sanctions, armed conflicts, government contracts and complex infrastructure projects, construction and engineering, aviation, defense, energy, international investment and commercial matters, corruption; counsel in a 300 million dollars construction arbitration governed by Libyan law (2015-2018); counsel in a 60 million euros defense arbitration governed by Swiss law (2013-2016) ; counsel in a 100 million dollars shipbuilding arbitration governed by English law (2013-2015); counsel in a 70 million dollars energy arbitration governed by Chadian law (2013-2017); counsel in several aviation (aircraft acquisitions and finance) and maritime (accidents at sea, charter parties) arbitrations; counsel in several 100-150 million euros treaty-based arbitrations involving expropriations; counsel in numerous treaty-based arbitrations involving destructions during military unrest and the Arab springs.