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How To Avoid Construction Disputes – Maria Fisentzou Diales nominated in Structural Awards 2019 Diales are delighted to announce that Phil Duggan been appointed as Head of Diales for the Middle East Diales are proud sponsors of Asia ADR Week 2019 Diales are pleased to be sponsoring the 5th ICC Asia Conference in Singapore Diales are pleased to be sponsoring the 4th ICC Africa Conference in Lagos this week Diales is proud to be sponsoring the 3rd PAW and to host a conference Diales is delighted to be taking part in the 3rd Kuwait Project Management Conference 2019. Diales is proud to be sponsoring the 7th ICC MENA Conference on International Arbitration Dealing with conflicting pressures – A practical guide Diales Technical are shortlisted for an award. Diales are proud sponsors of the CIArb’s International Arbitration Conference 2018 Flying high! Another Goodwood sculpture success Diales is proud to be sponsoring the 4th ICC Asia Conference on International Arbitration Diales Host Drinks Reception GAR Live Construction Disputes ICC Institute Advanced Training on “Drafting enforceable awards” Should arbitration in investment protections treaties be forsaken? DRBF Conference – Paris, France Diales work with Gerry Judah on a new sculpture – Jacob’s Ladder Damp in Listed Buildings Diales experts gain professional recognition Diales have two new experts Diales host successful drinks reception Diales are commended at the 2017 Structural Awards Mark Castell is attending the 2017 Dutch Arbitration Day, Amsterdam Independence Day: Why Do Many Experts Fail at Being ‘Independent’? John Mullen is published in the Construction Law Review Diales technical are shortlisted for two awards Diales celebrates five years of dedicated Expert Witness support services ICC 1st European International Arbitration Conference

Join Us

Diales is the division of Driver Group, exclusively dedicated to the provision of Expert Witness services.

Our core team of experts now operate as Diales, distinct from Driver’s consultancy and project services divisions.

Diales’ expert team boasts an impressive profile, with instructions from leading law practices around the world representing major construction and engineering disputes. From actions in the London Technology and Construction Court (TCC), to Arbitrations in Paris, Dubai, and Singapore, our reputation and track record are world class.

Our experts can rely on receiving high quality support and assistance, alongside training and professional development, to ensure CPD is kept up to date. We maintain focussed expert profiles and visibility plans to ensure strong recognition and market presence for each member of the Diales expert team.

We are always keen to welcome new members to the Diales team, specifically those with a strong expert track record in Quantum, Delay Analysis or Technical disciplines.

Our standards are high, and entry is only open to those with an established profile as an expert witness.

Our policy is to not use agencies for recruitment at this level. We prefer to deal directly, discreetly, and with complete confidentiality with senior candidates. For more information, please directly contact our Managing Director, Mark Wheeler, at the following email address:  All expressions of interest will be dealt with in strictest confidence.

Driver Group delivers the full spectrum of commercial construction and engineering consultancy services.