Christine O'Neill

Robert Haak is a top attorney recognized by Best Lawyers in the practice area(s) of High Yield Products. Robert, 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 Robert is held by other top lawyers in the same geographic and legal practice area.

Jason Hambury is a top attorney recognized by Best Lawyers in the practice area(s) of Construction Law and International Arbitration. Jason, 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 Jason is held by other top lawyers in the same geographic and legal practice area.

David Birchall advises clients on the full range of energy transactions in the mid- and downstream fields, including types of commodity trading matters, conventional, renewables and clean-tech projects, energy and infrastructure projects, regulation and waste, including waste-to-energy schemes. Having practised as an energy corporate, regulatory and projects lawyer since 1993, he also worked from the start of the renewables and physical commodities trading legal market, in the UK, throughout ...

Trevor has over 30 years of experience in providing corporate and international tax advice. His practice focuses on advising client on the tax planning aspects of international transactions and strategic tax planning for global clients. He has particular experience in advising clients in the technology sector and IP-rich companies.Trevor has also advised clients on the design and implementation of global private equity and investment funds, including advising executive teams on the structurin...

James Cox is a partner in the London office of Gibson, Dunn & Crutcher and a member of the firm’s Labour and Employment Practice Group. Mr. Cox has extensive experience in contentious and non-contentious labor and employment matters, with an emphasis on cross-border employment issues, collective labor and industrial disputes, redundancies and workforce restructurings, ARD/TUPE, the employment aspects of public and private mergers and acquisitions and outsourcing arrangements, corpor...

Carolyn Jackson helps clients solve complex cross-border issues involving the regulation of financial institutions and financial products, including derivatives. Carolyn's depth of knowledge and practical approach are shaped by her first-hand experience: she managed the New York trading desk of several investment banks and was formerly the executive director of the International Swaps and Derivatives Association, Inc. Trading firms, banks, asset managers, clearing houses and trading venues re...

Stephen A. Thierbach is a US-qualified corporate partner in the London office of Gibson, Dunn & Crutcher. A senior U.S. securities lawyer, he advises issuers, underwriters and selling shareholders on complex, innovative and multi-jurisdictional offerings of equity, equity-related and debt securities. He has a broad capital markets transactions practice, with a focus on initial public offerings and secondary offerings, and has represented corporates, investment banks, private equity firms ...

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.

When multinational corporations consider major transactions, tax implications often make or break the deal. Charlotte Sallabank advises on those implications, advising clients on the direct and indirect tax consequences of their largest business decisions. Her creativity, persuasive power and close attention to her clients' business aspirations consistently result in solutions that make them a reality.A complete perspective on tax-planning issuesWith more than 30 years of experience advising ...

Wim De Vlieger is a partner in the London office of Gibson, Dunn & Crutcher. Mr. De Vlieger is Co-Head of Private Equity in Europe and a member of the Mergers and Acquisitions and Capital Markets practice groups. Mr. De Vlieger advises private equity investors and their portfolio companies on a wide range of corporate transactions, including growth equity and control investments and co-investments, structured transactions, buy-out transactions, mergers and acquisitions, and exits. He also...