Irene Petrelli

Partner

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Education

Queen Mary University of London, LL.M.

Roma Tre University, J.D.

Admitted to Practice

Italy

Rankings

Legal 500: EMEA 2026

Leading Partner

“Irene Petrelli stands out for her solid competence in international public law and investment arbitration. She is focused, available, fully committed and able to distil the core of complex issues into concepts that are easy to grasp.”

“brilliant lawyer . . . very pragmatic and knows the case inside out.”

Chambers Europe: 2026

Arbitration

"She stands out for her sharp analytical skills and rigorous approach to complex legal matters. Her ability to combine thorough research with practical solutions distinguishes her."

"Irene Petrelli demonstrates a unique combination of technical expertise and strategic vision, with a great ability to anticipate problems."

Chambers Global 2026

Arbitration

"Irene Petrelli combines a deep knowledge of the subject with extraordinary strategic skills."

"She is perfectly skilled to navigate complex situations with outstanding professionalism and knowledge."

"Irene has a hands-on approach and is very to the point."

Lexology Index: Arbitration 2026

Recommended

Lexology Index: Client Choice – Arbitration 2026

Highly Recommended

Legal 500: EMEA 2025

Dispute Resolution – Italy – Leading Individual

Chambers Europe 2025

Dispute Resolution: Arbitration Italy – Up and Coming

Chambers Global 2025

Dispute Resolution: Arbitration - Up and Coming

"Irene is a very hard-working and dedicated international lawyer."

"Irene is 100% dedicated to the needs of her clients. She is also highly responsive."

"Irene demonstrates being an excellent partner with a strong commercial acumen and leadership skills in guiding the team. She is extremely technically prepared."

"She shows excellent managerial skills when working with her team on challenging issues with short deadlines."

"Irene Petrelli has an excellent grasp of both law and facts and presents them in a clear and simplified manner."

Who’s Who Legal 2025

Arbitration - Future Leader

Legal 500: EMEA 2024

Dispute Resolution - Italy - Leading Individual

Chambers Global 2024

Dispute Resolution - Up and Coming

“Irene is thorough, precise and always gets me results.”

“I would recommend Irene without any reservation. She has a vision of the problems and the best way to deal with them.”

“We were pleasantly satisfied by her preparation, friendliness and courtesy.”

Who's Who Legal 2024

Future Leader - Arbitration

Legal 500 Powerlist Italy 2023

Dispute Resolution Powerlist - Leading practitioner

Legal 500: EMEA 2023

Dispute Resolution - Italy - Leading Individual

"I would like to recommend Irene Petrelli, the partner of Italy office. She is an excellent counsel that every legal team needs her presence. She is dependable, self-assured and meticulous. She may give an intuitive advice with her diversify experience in arbitration."

Who's Who Legal 2023

Arbitration: National Leader (Italy)

Who's Who Legal 2023

Arbitration: Future Leader

Legal 500: EMEA 2022

Dispute Resolution - Italy - Leading Individual

Who's Who Legal 2022

Arbitration: Future Leader