Quantum expert in commercial and intellectual property infringement disputes with clients across a wide range of industries and geographic regions, including U.K., U.S., Canada, Asia and Europe.

Kathryn specialises in Dispute Advisory Services including providing privileged advice, as an Expert Witness in litigation and international arbitration, and as an Expert Determiner.

Kathryn has a degree in Mathematics. She trained with Deloitte Haskins & Sells (now PwC) and qualified as a Chartered Accountant in 1979. In 1990 she joined BDO, where she became an audit partner (until 2005) and a forensic partner, eventually becoming the UK National Head of Forensic Accounting. She joined KPMG in 2010 where she was Chairman of KPMG Forensic UK until 2016 and is now a Managing Director at AlixPartners.

Kathryn has 40 years’ experience in the accounting profession. For the last 24 years her focus has been in expert witness and dispute advisory services in particular pre-action advice, litigation support and alternative dispute resolution including mediation, arbitration and expert determination. She has also undertaken many forensic investigations.

Kathryn’s industry experience is very broad and includes, natural resources, construction, financial services, retail and consumer goods, travel manufacturing, telecoms, professional services, pharmaceuticals, hospitality, and the public sector.

Kathryn is one of the UK’s most senior and experienced accountancy expert witnesses, having written hundreds of reports and given oral evidence on many occasions. She has extensive experience in high profile, international cases where she has acted for both claimants and defendants.

Kathryn is regularly appointed jointly by parties as an Expert Determiner and is a member of the scheme under which Expert Determiners are appointed by the President of the Institute of Chartered Accountants in England and Wales (the ICAEW).

Kathryn is particularly known for her keen analytical mind. Her wealth of experience, and ability to identify and articulate the critical issues, have enabled her to provide clear and robust testimony and also to assist with many pre-action exchanges that have resulted in successful and significant settlements outside the courts. Kathryn’s many years’ experience as an auditor, and her current audit and accounting knowledge, mean that she is well placed to identify and assess the key issues that are relevant in considering causation and quantum

Kathryn’s testimonials include:

“brilliant”

“…one of the foremost expert witness in the UK”;

“extremely knowledgeable and professional”; and

“great ability to adapt to the client’s needs”.

Kathryn is a Fellow of the Institute of Chartered Accountants in England and Wales in England and Wales and a Fellow of the Academy of Experts. She is past Chair of the Audit Committee of the ICAEW and has been a member of the ICAEW Council (its ultimate governing body) since 2013.

Kathryn is a member of the board of the London Chamber of Arbitration and Mediation

Kathryn has 40 years’ experience in the accounting profession. For the last 24 years her focus has been in expert witness and dispute advisory services in particular pre-action advice, litigation support and alternative dispute resolution including mediation, arbitration and expert determination. She has also undertaken many forensic investigations.

Chartered Accountant with 12 years experience

Founding member and member of Executive Committee, Annual East Africa International Arbitration Conference

Members of panel of arbitrators of SIAC, AIAC, KCAB, CRCICA, KIAC and NCIA as well as the HKIAC's List of Arbitrators

Sarah is an experienced disputes lawyer, having spent 14 years in private practice with an international firm, before accepting a senior role at a major arbitral institution. She joined Arbitration Chambers in November 2020 and, over the last few years, has built her experience as arbitrator, sitting as sole, co- and presiding arbitrator in arbitrations under the rules of the ICC, SIAC, DIAC, LCIA and HKIAC, as well as in ad hoc arbitrations.

Associate Member, American Bar Association, Forum on Construction, Project Delivery & Construction Technology Division and International Construction Division, International Bar Association, International Construction Projects Committee

Member, International Bar Association, Section on Energy, Environment, Natural Resources and Infrastructure Law, International Construction Projects Committee

Accredited mediator in civil and commercial matters