Niuscha Bassiri is the co-founder of ArbBoutique, based in Brussels, mainly acting as arbitrator. For the last 15 years, she has acted as arbitrator under all major international institutional rules, as well as the UNCITRAL Rules. She has applied the laws of over two dozen jurisdictions, spanning from Belgium over Mongolia to Zimbabwe, often involving State-owned entities. She is a German qualified Rechtsanwalt, having worked in Cologne and London.

She is an Adjunct Faculty at the Georgetown Law for the Spring Semester 2026, a faculty member at the University of Miami and a past lecturer at the MIDS program. Amongst other things, she has published and researched in English and German commentaries to the ICC Rules and DIS Rules of Arbitration, on instant cost orders, default proceedings, nationality requirements, and arbitrators and their social media behavior. Niuscha is a sought-after public speaker on innovative and complex matters concerning international arbitration.

In her career in international arbitration, she has acted as counsel in numerous set aside and enforcement proceedings before Belgian and Dutch courts.
She is fluent in English and German and works in Dutch, French and Spanish. Her mother tongues are Farsi and German, holding both the German and the Iranian nationalities. Since 2014, Niuscha is regularly praised by her peers for her excellence, describing her as an “elegant and skillful arbitrator” who comes “[h]ighly recommended for her leading investment and commercial arbitration expertise” and is able to handle “tricky situations as arbitrator with finesse and sound judgment”, while others describe her as “simply brilliant”.