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Professionals

In more than 100 years of practice, Steptoe has earned an international reputation for vigorous representation of clients before governmental agencies, successful advocacy in litigation and arbitration, and innovative and practical advice in structuring business transactions.

Yousuf Aftab
Yousuf Aftab is a partner at Steptoe's New York office, where he focuses on business and human rights and sustainability law. With a rare depth of practical experience, Yousuf is renowned for…

Partner

Business & Human Rights, ESG, Climate & Sustainability, Independent & Internal Investigations, White-Collar Defense

Christophe Bondy
Christophe Bondy has practiced international arbitration for over 25 years. He has taken on substantive and leading roles in high-stakes, cutting-edge international commercial and investor-State…

Partner

Investor-State Arbitration, Trade Policy & Negotiations, International Arbitration, Public International Law

Letizia Busso
Letizia Busso focuses her practice on international investment and commercial arbitration, and public international law. She has experience with arbitrations arising under the rules of, among others,…

Associate, Steptoe International (UK) LLP, Qualified in Spain

International Arbitration, Investor-State Arbitration, Public International Law

Matthew Coleman
Matthew Coleman's international arbitration and public international law practice has a particular focus on acting as lead counsel in investment disputes between States and foreign investors (ISDS),…

Partner

Investor-State Arbitration, International Arbitration, Commercial Trials & Litigation, Financial Services

Karl Hopkins
Karl Hopkins is an internationally recognized legal advisor with extensive experience advising clients with complex problems at the intersection of geopolitical risk, national security, international…

Partner

National Security & Cross-Border Transactions, AI, Data & Digital, Crisis Management, Independent & Internal Investigations

Lillian Khoury
Lillian Khoury represents private and State entities in investor-State and international commercial arbitrations before the major arbitral forums (including the AAA, ICC, ICDR, ICSID, JAMS, and Swiss…

Associate

Investor-State Arbitration, International Arbitration, Public International Law, Judgment Enforcement & Asset Recovery

Amy J. Lentz
Amy Lentz heads Steptoe's International Disputes group. She focuses in particular on high-profile disputes arising under the agreements of the World Trade Organization (WTO). Amy is well-acquainted…

Partner

WTO Disputes, Trade Remedies, Trade Policy & Negotiations, Public International Law

Loukas Mistelis
Professor Loukas Mistelis is a partner in Steptoe’s London office focusing on international commercial arbitration, investor-state disputes, and public international law. He is also the Clive…

Partner

International Arbitration, Investor-State Arbitration, Energy, Defense

Michel Paradis
Michel Paradis is a seasoned litigator with extensive experience in appellate litigation, technology law, and international and national security law. His clients receive unparalleled legal…

Partner

Appeals & Advocacy, AI, Data & Digital, National Security & Cross-Border Transactions, Business & Human Rights

Claire Rajan
Claire's cross-border practice includes representing multinational corporate clients in investigations, including government-facing and internal investigations relating to corruption, fraud,…

Partner

White-Collar Defense, Independent & Internal Investigations, Anti-Corruption/FCPA, Campaign Finance & Political Law

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Press Releases Onika Williams Sworn in as President of the Association of Transportation Law Professionals June 29, 2026 Press Releases Supreme Court Confirms EPA-Approved Labels Override State Tort Claims in Landmark Monsanto Case June 25, 2026 Webinars AI, Data & Digital Roundtable: Deploying GenAI and AI Agents for Investigations and Compliance July 15, 2026
Press Releases Steptoe's $170M Jury Verdict Leads to Major PTAB Victory for Express Mobile in First-of-Its-Kind Decision June 29, 2026 Press Releases Steptoe Further Bolsters International Arbitration Practice With Arrival of Professor Loukas Mistelis June 16, 2026 Press Releases Steptoe Names John Abramic as Leader of Intellectual Property Group June 11, 2026 Press Releases Steptoe Appoints Rachel M. Cannon as Managing Partner of Chicago Office June 11, 2026 Press Releases Steptoe Practices and Attorneys Earn High Rankings in the Legal 500 United States 2026 June 10, 2026 Press Releases Steptoe Expands FDA Regulatory Bench and West Coast Capabilities with Prominent FDA and Consumer Products Regulatory Partner Natalie Rainer June 9, 2026 Press Releases Steptoe Receives 10 Individual, Four Practice Mentions in 2026 IAM Patent 1000 June 5, 2026 Press Releases Steptoe Highly Ranked in Chambers USA 2026 June 4, 2026 Press Releases Steptoe Adds Former DOJ Prosecutor Mario Nguyen to Strengthen AI-Driven Investigations Practice June 1, 2026

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