Karen Tsang is an Associate with Zeiler Floyd Zadkovich based in the London office.

Karen was called to the Hong Kong Bar in 2020.

Prior to joining the firm, Karen worked as an international arbitration associate at a top-tier US firm in London and as a barrister in Hong Kong.

Karen has experience acting as sole counsel and as junior counsel in international commercial arbitration and litigation. She has acted for clients in multi-billion/million dollar arbitrations under leading institutional rules, including LCIA, UNCITRAL and HKIAC. She has experience in a wide range of matters, including commercial, commodities, trade finance, and public law disputes.

Karen holds a Bachelor of Civil Law (Masters in Law) and a Bachelor of Arts in Jurisprudence from the University of Oxford. She also holds a Postgraduate Certificate of Laws from the University of Hong Kong. She is an awardee of the Hong Kong Bar Scholarship and the Hong Kong Bar Association Charles Ching Memorial Scholarship.

Karen works in English (native), Mandarin (fluent) and Cantonese (fluent).

Latest - Karen Tsang

Highlights of Karen’s work include the following:

  • Acted in a multi-billion dollar LCIA arbitration for an entity in an oil and gas production sharing contract dispute.
  • Acted as junior counsel in a multi-billion dollar HKIAC arbitration for a commodities trader in an international receivables trade financing dispute.
  • Acted as sole counsel in an HKIAC arbitration for an English oil and gas company in a services contract dispute.
  • Acted as junior counsel in an ICC arbitration for a supplier in a goods distribution agreement dispute.
  • Advised as sole counsel on the setting aside of an HKIAC arbitration award.
  • Judgments include:
    – Quaestus Capital Pte Ltd v Everton Associates Ltd [2021] HKCFI 1367
    –  New Century Credit Services Company Limited v Yeung Hung [2020] HKCFI 2651
    – Ng Wing Hung v The Council of the Law Society of Hong Kong [2021] 1 HKLRD 1267
    – Ng Hon Lam Edgar v The Hong Kong Housing Authority [2021] 3 HKLRD 427
    – Ng Hon Lam Edgar v The Hong Kong Housing Authority [2020] HKCFI 2719

Interested in specific aspects of Karen’s recent work? Contact [email protected] for further reference cases.

Professional Experience

  •  Associate, Zeiler Floyd Zadkovich, London/UK (2024)
  • Associate, Wilmer Cutler Pickering Hale and Dorr, London/UK (2023)
  • Barrister, Temple Chambers, Hong Kong (2020-2022)
  • Pupil Barrister, Temple Chambers, Hong Kong (2019-2020)
  • Legal Intern, UK Competition and Markets Authority (2018-2019)
  • Legal Intern, Hong Kong International Arbitration Centre (HKIAC) (2018)


  • University of Hong Kong, Postgraduate Certificate of Laws, Hong Kong (2018)
  • University of Oxford, Bachelor of Civil Law, Oxford/UK (2017)
  • University of Oxford, Bachelor of Arts in Jurisprudence, Oxford/UK (2016)
    – Crystal Prize for Law, Pembroke College
    – Domus Scholarship, Pembroke College
    – Monk Prize for Criminal Law, Pembroke College