Hannah Ambrose has been promoted to partner at Herbert Smith Freehills in London, effective 1 May 2023. Hannah acts as counsel and advocate in both commercial and investment treaty arbitrations. She has experience in ad hoc commercial arbitrations and proceedings under the auspices of major arbitral institutions across a broad range of sectors, on arbitration-related court applications and on commercial settlement of high value and complex disputes. She has represented investors and states in investment treaty claims and also advises on a range of other matters of public international law, including state and international organization immunity. Hannah has been recognised as a Rising Star for International Arbitration and for Public International Law by Legal 500.