Clare Sibson KC

Steven Finizio's practice focuses on international dispute resolution. Mr. Finizio also serves as an arbitrator. He has particular experience with energy, financial services, shareholder, joint venture and M&A, and manufacturing issues. He has advised clients regarding disputes under the rules of most of the well-recognized international arbitration institutions and governed by the laws of jurisdictions in Europe, Asia, Africa and the US, as well as under bilateral and regional investment...

Penny Madden is an English qualified Queen’s Counsel and serves as Co-Partner-in-Charge of the London office at Gibson, Dunn & Crutcher. She is Co-Chair of the International Arbitration Practice Group and a member of the firm’s Transnational Litigation Practice Group. She has a wide range of experience in all key aspects of international arbitration with particular expertise in shareholder, telecommunications, SPA, energy, international trade and insurance disputes. She repres...

Paul Maher serves as a Vice Chair of Greenberg Traurig. He concentrates on corporate law, particularly cross-border public and private mergers and acquisitions. He advises a wide range of domestic and international clients in numerous sectors, including chemicals, pharmaceuticals, life sciences, financial services, information services, retail and communications. Paul is highly recommended by both of the leading independent guides to the legal industry. In its 2020 edition, Chambers UK stated...

Cathryn Williams is a top attorney recognized by Best Lawyers in the practice area(s) of Insolvency and Restructuring Law. Cathryn, who practices law in London, United Kingdom, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Cathryn is held by other top lawyers in the same geographic and legal practice area.

Graham Iversen focuses his practice on corporate tax matters, including mergers and acquisitions, private equity transactions, joint ventures, partnerships, corporate restructurings, debt and equity finance, derivatives, structured investments, real estate and tax disputes. Graham joined the firm from Slaughter and May in London, where he was a partner in the firm’s London office in their tax department for more than 14 years. He has been a corporate tax attorney for more than 22 years,...

Sarah Blakelock is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Sarah, who practices law in London, United Kingdom, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Sarah is held by other top lawyers in the same geographic and legal practice area.

Cy Benson is a U.S. and English qualified partner in the London office of Gibson, Dunn & Crutcher and serves as Co-Chair of the firm’s International Arbitration Practice Group. Mr Benson represents clients from a wide variety of sectors before commercial and investment treaty tribunals with particular experience in telecoms, oil & gas, mining and infrastructure disputes. He continues to represent a Dutch and a Luxembourg investor in two separate multi-billion dollar arbitration ...

John Houghton, Chair of the London Restructuring & Bankruptcy Practice, advises creditors, sponsors, insolvent companies, directors and insolvency practitioners on virtually all areas of international restructurings, insolvency, and corporate rescues. He has a substantial experience of restructuring via schemes of arrangement and the new restructuring process. According to the Chambers UK 2020 Guide, John “is highly competent and skilled, and is able to guide a management team and d...

Simon Airey focuses his practice on global, cross-border and internal investigations, financial and regulatory crime, bribery and corruption, money laundering, tax and fraud inquiries, data breaches, dawn raids, asset tracing, international enforcement and corporate compliance issues. He has conducted a wide range of investigations and corporate defence assignments in different sectors, including construction, defence, financial services, gambling, oil and gas, logistics, pharmaceuticals and ...

Mr. Anderson is highly experienced in private capital arrangements, with a particular focus on the establishment and ongoing operations of asset management structures; portfolio investments in liquid markets, infrastructure, real estate and technology; and compensation for fund principals.