Barry O'Leary

Giles Crown is a lawyer recognized by Best Lawyers in the practice areas of Advertising and Marketing Law and Intellectual Property Law. Giles practices law in London, United Kingdom Best Lawyers has recognized Giles Crown since 2009. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Giles Crown is held by other lawyers.

Andrew Harrow is a lawyer recognized by Best Lawyers in the practice area of Life Sciences Law. Andrew practices law in London, United Kingdom Best Lawyers has recognized Andrew Harrow since 2024. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Andrew Harrow is held by other lawyers.

Geoffrey L. Wynne is head of the Trade and Commodities Finance Group and has extensive experience in banking and finance, specifically corporate and international finance, bank mergers, acquisitions, conversions and restructurings, trade and structured trade and commodity finance, structured finance, asset and project finance, syndicated lending, equipment leasing, workouts and financing restructuring, leveraged and management buy-outs and general commercial matters. Geoff is one of the leadi...

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 ...

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...

Deborah Ruff leads Pillsbury’s Arbitration - U.S. & International practice. She has extensive experience in multi-jurisdiction disputes, with a focus on high-value and complex international arbitration in the energy, infrastructure and construction, telecommunications and financial sectors. Deborah conducts international arbitration disputes often over JOAs, the construction of and off-take from refineries and petrochemical plants, as well as rig, energy trading and transport, and c...

??Philip Rocher is the senior partner in the Dispute Resolution Group in Gibson, Dunn & Crutcher’s London office. He specialises in litigation, often with an international element, and regulatory and internal investigations. He has extensive experience in the financial services sectors. Mr. Rocher regularly advises on high value disputes arising from the full range of commercial activities and has taken many large and complex matters through to a concluded trial. In recent years he ...

Mark Fine focuses his practice on complex debt financing transactions for private equity houses, borrowers and lenders including direct lending, leveraged buyouts, domestic and cross-border syndicated lending, junior debt issuances, high yield offerings, special situations, distressed debt trading, portfolio acquisitions and restructurings. Mark has previously held the position of European General Counsel at Bain Capital Credit in London.

Vincent Zabielski focuses on international nuclear energy matters, including providing strategic advice related to new-build EPC contracts, power purchase agreements, operation and maintenance, fuel supply chain, liability issues, and export controls. Prior to joining Pillsbury, Vincent was Senior Nuclear Counsel for the UAE nuclear new build program, where he was responsible for integration of nuclear licensing strategy with the largest-ever public financing of a public works project. During...

Clive Wells is a lawyer recognized by Best Lawyers in the practice area of Banking and Finance Law. Clive practices law in London, United Kingdom Best Lawyers has recognized Clive Wells since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Clive Wells is held by other lawyers.