LAWYER PROFILE

Bart Wasiak

UK 2026

Arnold & Porter

Ranked in 1 practice area

International Arbitration

UK-wide

2 years ranked

About

Provided by Arnold & Porter

Practice Areas

Bart Wasiak represents sovereign States and private-sector clients in complex, high-stakes international arbitrations. He has particular expertise in investment treaty arbitration, and has served as counsel in more than 20 arbitrations administered by the International Centre for Settlement of Investment Disputes (ICSID) and the Permanent Court of Arbitration (PCA). He has advised clients in relation to a broad range of disputes, including in the banking, energy, mining, shipping, and telecommunications sectors.

Chambers Review

Provided by Chambers

Chambers Guide to the Legal Profession

International Arbitration - UK-wide

Associates to watch

Individual Editorial

Bart Wasiak is a senior associate in Arnold & Porter's international arbitration team. He is noted for his representation of states in investment treaty arbitrations.

View ranking table

Strengths

Provided by Chambers

He is smart, very knowledgeable and always on top of the detail.
International ArbitrationChambers Guide to the Legal Profession
Bart is extremely diligent.
International ArbitrationChambers Guide to the Legal Profession