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Marina Reason

Marina Reason


Marina is a partner in our advisory (non-contentious) Financial Services Regulatory practice.



Marina is a financial regulation specialist with extensive experience of advising a wide range of financial services clients including investment banks, broker-dealers, private and retail banks and asset managers. 

Marina covers a broad spectrum of regulatory issues including conduct of business, governance, licensing, restructuring, multi-jurisdictional compliance and regulatory considerations arising in the context of corporate transactions. 

Marina has supported clients with large scale regulatory change implementation projects such as MiFID II, Brexit and Ringfencing. She has also more recently helped clients navigate the complex landscapes of CSDR and Sustainable Finance/ESG. Marina has also worked with industry trade associations on topics such as MiFID and CSDR.

Prior to joining Herbert Smith Freehills, Marina's experience includes:
  • ESG – advising a number of global investment banks on various aspect of sustainable finance developments including in identifying the impact on their global groups
  • CSDR – advising a number of financial institutions on their implementation of CSDR and working with industry trade associations to develop model contractual provisions to be included by the industry in client agreements
  • Intermediate Parent Undertaking (IPU) - advising a global banking group on its implementation of the IPU requirements
  • Brexit – acting as strategic advisor on the Brexit projects of two global investment banks including on intra-group arrangements, booking models and licensing analysis
  • Ringfencing – advising a leading UK retail bank on its ringfencing restructuring and assisting with defining its ringfencing perimeter
  • MiFID II – advising two global investment banks on their MiFID II implementation projects, including impact assessment and analysis on complex interpretational issues.



Marina has B.A. degrees in Philosophy and in Law as well as an MA in Philosophy, all from the University of London.

Marina has worked in-house as a secondee at State Street, Bank of America and Morgan Stanley.

Marina joined Herbert Smith Freehills in November 2021 from a leading international law firm.

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