Dario de Martino


Dario serves as Co-Chair of A&O Shearman’s global Fintech and Blockchain practice, advising clients on transformative matters relating to cryptocurrency/digital assets, and blockchain-enabled technologies.

Dario focuses on domestic and cross-border public and private mergers and acquisitions, carve-outs, joint ventures, and other strategic transactions.

He represents a broad array of major U.S.-based and multinational companies in the technology (including AI/machine learning, software, cloud, semiconductors, telecom), financial services, life sciences and healthcare, and industrial sectors.

He has extensive experience advising Japanese corporates in connection with US-centric M&A transactions.

Dario is a frequent speaker and writer on various topics in M&A with a particular focus on innovative technologies in the FinTech and MedTech industries.

In the Chambers USA FinTech 2024 rankings, Dario was recognized as Band 2 in Blockchain & Cryptocurrencies.

Published Work

  • “DeFi protocol Uniswap and investors avoid suit for fraudulent activity on digital asset exchange”, Allen & Overy, September 15, 2023 
  • “SEC charges Impact Theory for unregistered offering of NFTs” Allen & Overy, September 5, 2023
  • “Ripple Labs: long-awaited decision answers some questions but gives rise to further uncertainty”, Allen & Overy, July 14, 2023
  • “Delaware Chancery Court allows termination of USD230 million telecom deal for breach of Capitalization Representations”, Allen & Ovey, June 7, 2023
He is very thorough, detail-oriented and very responsive. He has great judgement and is incredibly easy to work with.
Chambers – USA, 2023
He has developed a unique ability to handle complex issues and develop sound solutions that work despite regulatory frameworks being often inconsistent across state, federal and international borders.
Chambers – USA, 2023



Admitted: Bar of the State of New York

Registered Foreign Lawyer, England and Wales, 2024


Federico II University School of Law, J.D.
Columbia Law School, LL.M.

A&O Shearman was formed on May 1, 2024 by the combination of Shearman & Sterling LLP and Allen & Overy LLP and their respective affiliates (the legacy firms). Any matters referred to above may include matters undertaken by one or more of the legacy firms rather than A&O Shearman.