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Mark Cullen

Barrister at 4 New Square

Mark Cullen is a barrister at 4 New Square Chambers, specializing in commercial litigation, civil fraud, offshore work, and professional liability claims.1 He was called to the Bar in England and Wales in 2013 and has since been admitted as an Attorney at Law in the Cayman Islands (2018) and as a Barrister of the Eastern Caribbean Supreme Court in the British Virgin Islands (2017).1

Cullen is recognized as a leading junior in his main practice areas, with the Legal 500 (2025) describing him as "a first-rate junior with an analytical approach".1 He has been involved in some of the largest and most complex cases in the Business and Property Courts in recent years, including multi-billion dollar disputes with international dimensions.1

His educational background includes an M.A. in Law and a first-class LL.M. from Jesus College, University of Cambridge, where he was awarded a Foundation Scholarship.1 Prior to his current role, Cullen worked as the Judicial Assistant to Lord Justice Maurice Kay, then the Vice-President of the Court of Appeal (Civil Division).1

Cullen is known for his calm demeanor under pressure, clear and practical advice, and responsiveness.1 He is particularly sought after for cases with an international or offshore dimension, reflecting his expertise in civil fraud, asset tracing, and claims against professionals.1

Highlights

Oct 4 · 4newsquare.com
Mark Cullen - 4 New Square Chambers
Mark Cullen - 4 New Square Chambers
Feb 15 · chambers.com
4 New Square Chambers, UK Bar 2025
4 New Square Chambers, UK Bar 2025

Related Questions

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Mark Cullen
Mark Cullen, photo 1
Mark Cullen, photo 2
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Location

London, England, United Kingdom