Withers LLP

Camilla Gambarini

Dual qualified as an Avvocato (Italy) and as a Solicitor Advocate (England & Wales), Camilla specialises in international arbitration (commercial and investment treaty) and public international law matters. Before moving to London, she practised in Milan, Houston and New York, having developed an expertise in assisting clients from both civil and common law jurisdictions. She has represented individuals, companies, States and State-owned entities in international arbitrations across a range of sectors, including the apparel, aviation, energy, gambling, infrastructure, insurance, metal, oil & gas, and railway industries in different regions of the world, particularly the MENA region, CIS countries and Latin America. She has experience of international commercial and investment arbitrations under the auspices of the CAM, CIAC, ICC, ICSID, LCIA and UNCITRAL rules. She advises companies on the protection of investments under international investment treaties and sanctions, and States on boundary disputes, cultural heritage, international humanitarian law, international investment law, law of the sea, natural resources, sovereign immunity and statehood issues. Camilla regularly assists clients in pro bono human rights cases before constitutional courts, the UN Human Rights Treaty Bodies and regional human rights courts. She is ranked as an "Associate to Watch" by Chambers 2023 (public international law), recommended lawyer in Legal 500 UK ("rising star" in public international law and international arbitration), 2023 Who's Who Legal - Global Elite Below 45, 2022 Best Lawyer "Ones to Watch" UK, and as a Who's Who Legal - Arbitration Future Leader (Non-Partner). Camilla is involved in arbitration associations and editorial boards. She served as Co-Chair of Young ICCA (2018-2020). She is the UK Coordinator of the Italian Arbitration Association AIA-Arbit below 40 and serves on the Executive Committee of the Rising Arbitration Initiative (RAI) and the Next Generation Committee of the Racial Equality for Arbitration Lawyers (REAL) group. She is a Member of the Chartered Institute of Arbitration and is on the board of the American Review of International Arbitration at Columbia Law School, the Lexis PSL Arbitration Consulting Editorial Board, the Editorial Board of Brill Research Perspectives in International Investment Law and Arbitration. She is an Editor of Jus Mundi Wiki Notes on Investment Arbitration and is Conference Associate Editor of the Annual Juris Conference on Investment Treaty Arbitration. She regularly speaks at major international arbitration conferences and lectures at the Catholic University of Milan (Master in International Business) on international arbitration and ADR.

Hussein Haeri

Hussein is a partner in the international arbitration and public international law teams and co-head of the Middle East group. Hussein jointly leads the firm's international arbitration team and leads the firm's public international law team. He is a solicitor-advocate of the senior courts of England and Wales, and has experience of working on international legal and dispute resolution matters in London, Paris, New York and South Africa for over 15 years. He is also a Solicitor-Advocate of the Eastern Caribbean Supreme Court (BVI). Hussein co-heads the firm's Middle East group and leads many cases involving the Middle East and North Africa region. Hussein is recognised as a 'leading individual' by Legal 500 for International Arbitration and Public International Law, which states that ‘the practical and solutions driven Haeri is outstanding' and that ‘He combines huge intellectual powers with great client handling and gives straight-to-the-point advice'. He is recognised by Chambers Global which refers to him as  ‘an outstanding lawyer, combining a great attention to detail with a view of the big picture' with ‘excellent case management and strategic skills'. Chambers and Partners notes that 'Hussein has an outstanding analytical ability and he's a dream to work with'. He has worked as counsel and advocate on arbitrations under all the major rules, including ICSID, UNCITRAL, LCIA, ICC, SCC and SIAC Rules, as well as in ad hoc arbitrations. His clients include governments, multinational corporations and international organisations.He has served as counsel in state-state proceedings before the International Court of Justice and in national courts, including the courts of England and Wales, on public international law issues. Hussein's public international law practice includes advising governments and international organisations on international investment law, constitutional and human rights matters, sovereign immunity, energy and natural resources, international humanitarian law, sanctions, the law of the sea and treaty and legislation drafting. Hussein is a Senior Fellow on International Investment Law at SOAS, University of London. He is a Member of the Faculty at the University of Rome, Roma Tre University, Certificate Course in International Commercial and Investment Arbitration. He has also taught international arbitration and public international law to graduate students at the London School of Economics, Kings College London and University College London in the UK and at Sciences Po and the University of Versailles in France. He has published extensively in the fields of international law and international arbitration. In addition to his work as counsel, he sits as an arbitrator.