Justine Johnston

Pillsbury Corporate partner Osama Abu-Dehays is known throughout the Middle East and North Africa for his commercial, technology, media and telecommunications law experience. Based in London, Osama represents broadcasters, football leagues and telecom/technology providers. He crafts licensing deals, litigates intellectual property disputes, and advises on regulatory and corporate matters. Osama has drafted media and sports regulations, and has advised on numerous high-profile, politically sen...

Mark Sperotto is a partner in the London office of Gibson, Dunn and Crutcher and a member of the Corporate Transactional practice group. Mr. Sperotto has broad experience in both the UK and Italian markets, covering all aspects of corporate, private equity and investment banking with a focus on cross-border M&A, leveraged buy-outs, fund establishment and international corporate finance and equity capital markets transactions. Mr. Sperotto’s experience extends to advising private equ...

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...

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.

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

Lesley Hannah is a top attorney recognized by Best Lawyers in the practice area(s) of Competition Law. Lesley, 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 Lesley is held by other top lawyers in the same geographic and legal practice area.

Sandy Bhogal is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Sandy, 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 Sandy is held by other top lawyers in the same geographic and legal practice area.

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.

Gillian Sproul is a top attorney recognized by Best Lawyers in the practice area(s) of Competition Law. Gillian, 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 Gillian 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,...