Cynthia O'Donoghue Photo

Cynthia specialises in technology transactions, data, cyber security and new and innovative uses of digital and smart tech. Cynthia’s practice includes advice on product development and user experience, outsourcing, licensing, digital transformation, e-commerce, cloud, apps and smart technology, blockchain and AI, particularly FinTech, mHealth and social media. Cynthia is a member of On-Chain: Reed Smith’s Crypto & Digital Assets Group, she has experience of working with clients on data issues as they relate to blockchain and digital assets.


  • University of California, Davis School of Law, J.D.
  • Universität Edinburgh, LL.M.
  • Arizona State University, B.A.

  • England und Wales
  • New York
  • Irland


  • Recognised in the Legal500 Hall of Fame for IT and Telecoms. Cynthia has entered the Hall of Fame as she has been recognised by The Legal 500 as one of the elite leading lawyers for eight years in a row. 
  • Selected as an Acritas Stars stand-out lawyer in 2019
  • Recognized by Chambers UK for UK-wide Data Protection & Information Law and London Information Technology, where clients have praised the group as “very experienced in technology projects”, and Cynthia as “very responsive”, “very thoughtful analysis” of IT problems, and her ability to “address angles we hadn't thought of”, 2022-2023
  • Recommended by Legal 500 UK for Data Protection and ranked as a Leading Lawyer for IT and Telecoms, where clients have praised Cynthia as a “dependable expert” and leader of a team that delivers “good response times and excellent legal and industry knowledge,” 2020-2023.
  • Named a leading authority by Who’s Who Legal in Data and Information Technology.
  • Recognised as a Legal Influencer for TMT – Europe and TMT – UK by Lexology in their Lexology Content Marketing Awards 2019 in Q1 & Q2.
  • Selected through peer review for inclusion in The Best LawyersTM in the United Kingdom for Privacy and Data Protection Law and Outsourcing, 2022