Peter O'Brien

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 ...

Annabel Thomas is a lawyer recognized by Best Lawyers in the practice area of Fraud. Annabel practices law in London, United Kingdom Best Lawyers has recognized Annabel Thomas 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 Annabel Thomas is held by other lawyers.

Zaneta Wykowska is a lawyer recognized by Best Lawyers in the practice area of Securitisation Law. Zaneta practices law in London, United Kingdom Best Lawyers has recognized Zaneta Wykowska 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 Zaneta Wykowska is held by other lawyers.

Arvin Abraham is a lawyer recognized by Best Lawyers in the practice area of FinTech. Arvin practices law in London, United Kingdom Best Lawyers has recognized Arvin Abraham 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 Arvin Abraham is held by other lawyers.

Michael Goldberg is a lawyer recognized by Best Lawyers in the practice area of Real Estate Law. Michael practices law in London, United Kingdom Best Lawyers has recognized Michael Goldberg since 2023. 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 Michael Goldberg is held by other lawyers.

Neil Robson decodes complex UK and EU regulations to provide practical regulatory and compliance advice to financial services firms. He represents a range of financial market participants — hedge and private equity fund managers, investment advisors, broker-dealers and proprietary traders — that are based or doing business in the UK or the EU. Neil's extensive working knowledge of this complicated sector allows his clients to both meet their business objectives and satisfy regulat...

Simon Cook has experience in a wide variety of banking and finance transactions, including in particular in relation to structured trade finance, trade finance, project finance, invoice discounting facilities and borrowing-base facilities in Africa, the Middle East, Asia and the CIS. His work in the structured trade area covers a range of pre-export and prepayment financings acting for both lenders and borrowers notably in oil, telecoms, soft commodities and metals sectors with particular exp...

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...

Mark Fennessy is the co-head of the London Finance, Restructuring and Special Situations Group. He focuses his practice on contentious and non-contentious restructuring and insolvency matters. He has particular experience in multifaceted group collapses and global insolvency issues. He has been involved in a number of high-profile assignments for banks, funds and various strategic parties. Mark leads a team with unrivalled expertise in special situations, including in relation to assets facin...

Andrew Henderson is a lawyer recognized by Best Lawyers in the practice area of Financial Services. Andrew practices law in London, United Kingdom Best Lawyers has recognized Andrew Henderson since 2023. 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 Henderson is held by other lawyers.