David Johnson

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 ...

Graham Defries is a lawyer recognized by Best Lawyers in the practice area of Life Sciences Law. Graham practices law in London, United Kingdom Best Lawyers has recognized Graham Defries 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 Defries 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...

Partha S. Pal is a lawyer recognized by Best Lawyers in the practice area of Real Estate Finance. Partha S. practices law in London, United Kingdom Best Lawyers has recognized Partha S. Pal 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 Partha S. Pal is held by other lawyers.

Rob Day is a partner in Proskauer’s Corporate Department and a member of our Private Equity Transactions, Mergers & Acquisitions and Sports Groups. Rob’s practice focuses on public and private M&A, leveraged buyouts and joint ventures, private equity and portfolio company transactions. His clients include global corporations, asset managers and private equity houses, advising on their strategically important transactions across financial services, consumer, sports, media a...

Bill Schnoor is a partner in and former co-chair of the firm’s Technology and Life Sciences groups. He works in all areas of corporate, securities and partnership laws, with a primary focus on advising high-growth technology and life sciences companies. He joined Goodwin in 2005, after a 21-year career with Testa, Hurwitz & Thibeault, LLP, and quickly became co-chair of Goodwin’s technology and life sciences practices. Under his leadership the Technology and Life Sciences grou...

Sharon Lamb focuses her practice on transactional and regulatory advice in the health and life sciences sector. Sharon advises on global transactional mandates, including mergers and acquisitions and joint ventures in health services, pharma and life sciences, digital health and health data technologies. Sharon also provides strategic, regulatory and commercial support to UK and international clients on UK health and life sciences with a focus on health services, pharmaceuticals, medical devi...

For more information, please visit www.gibsondunn.com/lawyer/nikpay-ali/ .

Christopher Haynes is a lawyer recognized by Best Lawyers in the practice area of Capital Markets Law. Christopher practices law in London, United Kingdom Best Lawyers has recognized Christopher Haynes 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 Christopher Haynes is held by other lawyers.

Mr. Youle is recognised as a leading individual in The Legal 500 UK and a Market Leader in IFLR1000. Additionally, he is ranked in Tier 1 in Chambers UK, which quotes clients describing him as “incredibly responsive, very professional but also personal. He feels like an extension of our team and has excellent subject knowledge at all times.” He also was named Lawyer of the Year - London Private Equity Law by Best Lawyers in the UK 2022, in addition to being named as a 2018 Private...