William's practice consists of civil litigation, criminal prosecution and advice, and internal investigation work.
William first worked for MC between 2010 and 2014, when he successfully argued cases for public and private clients at all levels of the New Zealand judiciary including the Supreme Court.
In 2015, he graduated with first-class honours from the University of Cambridge, England.
Between 2015 and 2019, he worked as an attorney in the London office of Dechert LLP, an American law firm, in one of the best white-collar-crime practices in the world.
William returned to MC in 2019.
- Advising the government of a sovereign state in relation to a multi-jurisdiction investigation into historic fraud and corruption causing loss of over USD 1 Billion. Including responsibilities for significant prosecution, extradition, and asset-recovery advice to client, and engagement with multiple different national law-enforcement agencies, including INTERPOL.
- Overseeing the successful application to the English High Court to release two high-net-worth individuals from a world-wide-freezing order because of non-disclosure by the litigation-funded applicant. Indemnity costs obtained (see Banca Turco Romana SA v Cortuk  EWHC 662 (Comm) (28 March 2018)).
- Representing a high-frequency trading firm facing charges of market manipulation in China following the 2015 Chinese futures crash, in a high-profile and politically significant case.
BA/LLB(Hons), Auckland University
LLM(Hons), Unversity of Cambridge, England
- Co-author of “The Divergent Paths of Commonwealth Privacy Torts” chapter in Prof M. Hall (ed), The Canadian Law of Obligations: Private Law for the 21st Century and Beyond (LexisNexis, 2018).
- Co-author of “Production of Information to Authorities” chapter in J. Seddon et al (eds), The Practitioner’s Guide to Global Investigations (GIR, First ed. 2017, Second ed. 2018, Third ed. 2019).
- Published articles appearing in the Oxford University Commonwealth Law Journal (UK), the New Zealand Business Law Quarterly, the New Zealand Law Journal, the Supreme Court Law Review (Canada), the Journal of Civil Litigation and Practice (Aus), the New Zealand Law Students’ Journal, and the Auckland University Law Review.
Editorial Board, Journal of Civil Litigation and Practice (2017 to present).
Called to the English Bar (Middle Temple, 2017).
Leonard Coling Scholarship (Sidney Sussex College, Cambridge, 2015).
Barrie Connell Memorial Scholarship (2014).
Spencer Mason Travelling Scholarship in Law (2014)
Senior Prize in Law (University of Auckland, 2009).
Editor-in-Chief of the Auckland University Law Review (2008).