TEMPEST FORENSIC ACCOUNTING UK - Key Persons


Caroline Stephens

Job Titles:
  • Partner
Caroline has undertaken forensic work for 13 years and is a founding member of Tempest. She worked for KPMG for 15 years and spent 2½ years at Grant Thornton as an Associate Director. Caroline specialises in matrimonial and share valuation cases and is also experienced in a variety of commercial litigation matters, including transaction disputes. She has produced numerous expert reports across a wide range of commercial, matrimonial and transaction disputes.

Geoff Mesher - CEO

Job Titles:
  • Accountant
  • Managing Partner
Geoff is an experienced forensic accountant. He worked for KPMG for 17 years and also spent 2½ years as a Forensic Partner with Grant Thornton. Tempest Forensic Accounting UK LLP was formed with Caroline and Karen in March 2013. Geoff carries out forensic accounting and investigation work. He has produced many expert reports and worked on numerous loss of profit and valuation engagements arising from a wide range of commercial, matrimonial and other disputes. He has also acted as expert in criminal matters relating to fraud. He is also particularly experienced in the quantification of warranty and indemnity insurance claims. Geoff has given evidence in the County, Crown and High Courts on numerous occasions. In addition, he has attended a number of mediations. Geoff has led many fraud investigations, investigating misappropriation of assets, professional negligence and fraudulent financial reporting cases for both public and private sector clients. He is a Member of the Academy of Experts and a Certified Fraud Examiner with the Association of Certified Fraud Examiners.

Karen de Klerk

Job Titles:
  • Partner
  • CA ( SA ), Partner
Karen has 20 years experience as a forensic accountant and is also a founding member of Tempest. She worked for 10 years at KPMG (audit and forensic) before spending a year in industry at a telecoms business, returning to forensic accounting with Grant Thornton where she worked for 6 years before setting up Tempest with Geoff and Caroline in 2013. She is experienced in commercial litigation matters, including loss calculations, professional negligence and also specialises in fraud investigations and fraud risk mitigation. Outside of work, Karen has a keen interest in sport. She has completed a number of ultra-distance running events such as the Greenman ultra and Tour de Tirol and has also completed a number of Ironman triathlons.

Ralph Chatfield

Job Titles:
  • Partner
Ralph joined Tempest in April 2016 having previously worked at Grant Thornton for 31 years. Ralph is an experienced forensic accounting expert specialising in: Personal injury and clinical negligence claims Business interruption and subrogated claims Over the last 20 years Ralph has acted as an expert or adviser in several hundred cases, from advice on a particular aspect such as pension losses through to acting as expert on very high value losses. For personal injury claims Ralph has reported on cases relating to a broad range of trades and professions, from plumbers through to consultant surgeons. He is well versed in public sector remuneration structures. His work has also included cases where claimants were entrepreneurs in various industries. Ralph acted on a number of the Buncefield explosion subrogated recovery claims, several product recall claims in the food and beverage sector and on many manufacturing claims where the operator has suffered a catastrophic event. Ralph's experience also includes leading a team on assignment to the United Nations Compensation Commission, two SFO assignments and giving evidence to the Conduct Committee of the Financial Reporting Council following an investigation. Call us on 0117 929 0440 or alternatively complete this short enquiry form and we will be in touch as soon as possible.

Richard Frost

Job Titles:
  • Partner
Richard joined Tempest as a Partner in April 2014, having previously been an Associate Director at Grant Thornton. Richard has also spent time on secondment to the Economic Crime Unit of a major police force. Richard has been instructed as an expert witness on over 60 occasions and has managed the preparation of numerous other expert witness and advisory reports. He is particularly familiar with criminal cases, either acting on behalf of the defence or the prosecution, particularly in respect of POCA confiscations. In recent years Richard has also specialised in claims relating to mis-treatment by banks including mis-sold Interest Rate Hedging Products and fraudulent mis-management by a impaired assets department (Foskett Panel Re-review). Richard's experience also includes loss of profits claims, professional negligence (accountancy and other professions), matrimonial and fraud matters. Richard regularly attend conferences with Counsel, meetings with other accounting experts and mediations, both in person and virtually. Richard has given evidence in the Crown Court on five occasions, one of which was by video link.