Our experts

Davies Kelly is deliberately small. Each matter is led by one of the people below, who does the analysis and, where needed, gives the evidence. Michael Roos and Jamie Shafto founded the firm in 2020. Stephen M John and Michael Whiting are partners.

Michael Roos, Founding Partner, Davies KellyMichael Roos
Jamie Shafto, Founding Partner, Davies KellyJamie Shafto
Stephen M John, Davies KellyStephen M John
Michael Whiting, Davies KellyMichael Whiting

Founding Partner, Testifying Quantum Expert

BSc (Hons), LLM, MCIArb

Testifying quantum expert with an LLM in construction law, arbitration and adjudication, appointed as lead quantum expert in international arbitration, court, adjudication and a pre-arbitral expert procedure. Started as a labourer at 16 and ran sites before moving into disputes.

Talk to Michael Roos about quantum, variations, prolongation and final accounts

Founding Partner, Testifying Delay Expert

BSc Construction Management

Testifying delay expert with over 25 years in construction and disputes, regularly appointed in international arbitration and cross-examined by King’s Counsel. Planned major projects in London and the Gulf before turning to disputes.

Talk to Jamie about delay, extensions of time and disruption

Partner, Engineering and Contracts Expert

BEng (Hons), MBA, LLM, CEng, FICE, FCIArb, MCIHT

Chartered civil engineer, European Engineer and Fellow of the Chartered Institute of Arbitrators, with more than 40 years of practice on four continents. Cross-examined in the UK High Court and in international arbitration.

Talk to Stephen about engineering, defects and contract administration

Partner, Quantum Expert

BSc (Hons) Quantity Surveying · RICS Expert Witness Certificate

Quantum expert with over 12 years from commercial management on live projects to quantum in disputes, across the UK, the Middle East and North Africa. Began at 16 as an apprentice quantity surveyor with Balfour Beatty.

Talk to Michael Whiting about quantum analysis of records, claims and accounts

Michael Roos, Founding Partner, Davies Kelly

Michael Roos

Founding Partner, Testifying Quantum Expert

Dubai · BSc (Hons), LLM, MCIArb

Testifying quantum expert with an LLM in construction law, arbitration and adjudication, appointed as lead quantum expert in international arbitration, court, adjudication and a pre-arbitral expert procedure. Started as a labourer at 16 and ran sites before moving into disputes.

Talk to Michael Roos about quantum, variations, prolongation and final accounts

Jamie Shafto, Founding Partner, Davies Kelly

Jamie Shafto

Founding Partner, Testifying Delay Expert

Dubai · BSc Construction Management

Testifying delay expert with over 25 years in construction and disputes, regularly appointed in international arbitration and cross-examined by King’s Counsel. Planned major projects in London and the Gulf before turning to disputes.

Talk to Jamie about delay, extensions of time and disruption

Stephen M John, Davies Kelly

Stephen M John

Partner, Engineering and Contracts Expert

· BEng (Hons), MBA, LLM, CEng, FICE, FCIArb, MCIHT

Chartered civil engineer, European Engineer and Fellow of the Chartered Institute of Arbitrators, with more than 40 years of practice on four continents. Cross-examined in the UK High Court and in international arbitration.

Talk to Stephen about engineering, defects and contract administration

Michael Whiting, Davies Kelly

Michael Whiting

Partner, Quantum Expert

· BSc (Hons) Quantity Surveying · RICS Expert Witness Certificate

Quantum expert with over 12 years from commercial management on live projects to quantum in disputes, across the UK, the Middle East and North Africa. Began at 16 as an apprentice quantity surveyor with Balfour Beatty.

Talk to Michael Whiting about quantum analysis of records, claims and accounts

Types of appointment

  • Party-appointed expert. Instructed by one party to give independent opinion evidence to the tribunal or court.
  • Tribunal- or court-appointed expert. Appointed by the tribunal or court to report to it directly.
  • Single joint expert. Instructed jointly by the parties.
  • Expert in an expert determination or pre-arbitral expert procedure.
  • Non-testifying expert adviser. Advises a party or its lawyers privately on quantum or delay. We do not later act as that party’s testifying expert in the same dispute without disclosing it.

Discuss a new matter

Tell us who the parties are and we will check for conflicts before anything else. Please do not send documents until we confirm there is no conflict.

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