Mark Krais

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 ...

Aymen Mahmoud is the co-head of the London Finance, Restructuring and Special Situations Group. He focuses his practice on complex debt financing transactions for private equity funds and their portfolio companies, hedge funds, corporate borrowers and issuers and other financial institutions including banks, direct lenders, family offices and other alternative sophisticated capital. His experience includes acting in respect of direct lending, leveraged buyouts, domestic and cross-border syndi...

Mr. Macaulay has been recommended as a leading individual for over a decade in both Chambers UK and The Legal 500 UK. He has been described in these publications as an “unflappable” lawyer who “has extremely good judgement and is a ruthless tactician;” and is “rock solid;” “tenacious;” “a financial disputes expert;” and a “seasoned litigator.” He was included in Who’s Who Legal: Arbitration 2021’s annual Globa...

Michelle M. Kirschner is a top attorney recognized by Best Lawyers in the practice area(s) of Financial Services. Michelle M., who practices law in London, United Kingdom, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michelle M. is held by other top lawyers in the same geographic and legal practice area.

Sunay Radia focuses his practice on financial restructuring transactions, including high yield bond and LBO workouts, refinancings, consensual and nonconsensual restructurings, enforcements and distressed asset sales. He has advised on a number of complex cross border matters for creditors (including direct lenders and distressed debt funds) and sponsors. Sunay also has a wealth of experience in origination banking and finance matters, including acquisition finance and real estate finance tra...

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 ...

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...

Marian heads the UK insurance and disputes practices working closely with the firm’s established trade and export finance team, and U.S.-based disputes team, offering advice on insurance, risk management and commercial dispute resolution.With over 20 years' experience, Marian advises banks, insurance brokers, investment funds, government agencies and corporates on commercial insurance arrangements which support structured trade, commodity and pre-export financing as well as corporate fi...

Graham Defries is a top attorney recognized by Best Lawyers in the practice area(s) of Life Sciences Law. Graham, 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 Graham is held by other top lawyers in the same geographic and legal practice area.

John McElroy is a top attorney recognized by Best Lawyers in the practice area(s) of International Arbitration. John, who practices law in London, United Kingdom, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John is held by other top lawyers in the same geographic and legal practice area.