LAWYER PROFILE
Mark Dunster

Mark Dunster

UK 2026

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Ranked in 1 practice area

About

Provided by Carey Olsen

Practice Areas

Mark is a partner specialising in litigation, compliance and financial regulatory matters. He undertakes a wide variety of commercial and civil litigation including insolvency work. He also advises institutions on regulatory matters including anti-money laundering, data protection, employment law, eGaming and renewable energy. He is an author of books on anti-money laundering and data protection.

Mark holds the International Association of Privacy Professionals "Certified Information Privacy Professional/Europe" qualification as part of his data protection practice.

Mark is a current member of the States of Guernsey legislative review committee advising on the implementation and drafting of new laws and ordinances. Mark is also a tribunal member (that is judge) on various appeal tribunals including those on planning and social security legislation. He was also appointed as Adjunct Professor of Civil Litigation by the Guernsey Bar.

Career

Mark has been a partner since 2001 and became a Notary Public in 2006.

He acts as both an executive and non-executive director of a number of Guernsey (and non Guernsey) companies in sectors as wide as trust and fiduciary services, electronic gaming, credit card payment processing, commercial real estate and investment holding. Mark holds the Institute of Directors Chartered Director status.

Chambers Review

Provided by Chambers

Chambers Guide to the Legal Profession

Offshore: Dispute Resolution - Guernsey

Band 3
Band 3

Individual Editorial

Mark Dunster is a partner at Carey Olsen who specialises in litigation, compliance and financial regulatory matters. His practice encompasses trusts and general commercial litigation. He is noted for his financial regulatory knowledge and his ability to advise on related disputes.

Strengths

Provided by Chambers

  • Mark Dunster is highly responsive and very innovative in his approach to solving our challenges.

    Offshore: Dispute ResolutionChambers Guide to the Legal Profession
  • Mark Dunster is an excellent lawyer.

    Offshore: Dispute ResolutionChambers Guide to the Legal Profession

Ranked Individuals at Carey Olsen (58)

Guernsey

Jersey

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