John Korzeniowski

Mark Smith is a lawyer recognized by Best Lawyers in the practice area of Pensions Practice. Mark practices law in London, United Kingdom Best Lawyers has recognized Mark Smith 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 Mark Smith is held by other lawyers.

Eve Ellis is a partner in Ropes & Gray’s asset management group specializing in financial services regulation. Eve provides advice across a broad range of regulatory matters with a particular focus on fund regulation and has done so for over 15 years. In the latest edition of The Legal 500, clients describe Eve as “excellent,” “personable, accessible, very knowledgeable and commercially-focused.” Peers comment they are “impressed by her knowledge and co...

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

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...

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...

Anna Nolan is counsel in the Financial Restructuring & Reorganization Practice in Alston & Bird’s London office. With over 10 years of experience, Anna assists a wide range of clients including hedge funds, special situations investors, trustees, providers of rescue and exit finance, issuers, sponsors, bondholder committees, administrators, and debtors with distressed transactions, conducting corporate, and financial restructurings and general insolvency matters.

Graham Hann is a lawyer recognized by Best Lawyers in the practice area of Information Technology Law. Graham practices law in London, United Kingdom Best Lawyers has recognized Graham Hann 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 Graham Hann 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.

Patrick Doris is a partner in Gibson Dunn’s Dispute Resolution Group in London, where he specialises in global white-collar investigations, commercial litigation and complex compliance advisory matters. Mr. Doris’ practice covers a wide range of disputes, including white-collar crime, internal and regulatory investigations, transnational litigation, class actions, contentious antitrust matters and administrative law challenges against governmental decision-making. Mr. Doris handle...

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 ...