
Pillsbury Winthrop Shaw Pittman LLP‘s London practice has significant expertise in energy, construction, infrastructure, technology, insurance and life sciences arbitrations. Deborah Ruff's caseload includes representing both investors and states in bilateral investment and multilateral treaty cases, including under the Energy Charter Treaty; Julia Kalinina Belcher focuses on complex international disputes; and Charles Golsong is ’an excellent lawyer in this space’. The experience of Laurence Lieberman, a November 2024 arrival from Taylor Wessing, includes high-value ICC arbitrations.
Legal 500 Editorial commentary
Accolades
Client satisfaction: Lawyer & team quality
Client satisfaction: Billing & efficiency
Client satisfaction: Sector knowledge
Testimonials
Collated independently by Legal 500 research team.
‘Intelligence and industry knowledge.’
‘This is an experienced and skilled international arbitration team.’
Key clients
- Nexo
- Zain (KSCP)
Work highlights
Representing Nexo (and its subsidiaries) in its $3bn ICSID claim against the Republic of Bulgaria.
Lawyers
Hall of Fame
The lawyers at the very top of the profession, widely known and respected by peers and clients for their longstanding involvement in market-leading work.

Leading associates
Leading associates with regular involvement in their team's key work, and recognition from peers or clients as being ones to watch.
Practice head
Deborah Ruff
Other key lawyers
Julia Kalinina Belcher; Charles Golsong; Laurence Lieberman,

