Welcome to Expert Matters, the official podcast of the Expert Witness Institute. Each month, we'll be taking an informed look at the key developments in the world of expert witnesses and expert evidence.

The cout found that a financial expert's report was inadmissible as evidence because he was not properly independent or objective, while very little weight could be attributed to the report of an employment expert because he lacked expertise in the area in which he purported to give expert evidence. 

Mr X accepted instructions to provide advice in property valuation despite not being an expert in that field. 

Kallakis v Kallakis [2023] EWHC 2148 (Comm) 

This is another case that illustrates how (at least) two forms of expert evidence can be distinguished: expert factual and expert opinion evidence.

Mercy Global Consult Ltd v Adegbuyi-Jackson [2023] EWHC 3203 (Ch)

Efstathios Maliakis is senior electrical engineer with 20 years’ experience, including 10 years supervising the construction of power plants. A full time Expert Witness since 2021, he tells us what led him to the profession, why he feels he’s found his perfect match career-wise, and his advice for aspiring Expert Witnesses.

One of the UK’s leading experts in Japanese knotweed, Dr Paul Beckett has been providing Expert Witness services since the early 2000s. He shares his insights into being part of a relatively new area of litigation; what makes a good Expert Witness; and why he approaches court like revising for an exam.

A Single Joint Expert caused difficulties by an unwise pre-hearing exchange with one of the parties in the absence of the other party, and legal representatives.

We’re starting a new EWI series with A spotlight on… the Post Office Horizon Scandal which looks at how the Post Office failed to listen to, and act on, expert advice. EWI member and IT and digital forensics expert, Jason Coyne, first spotted errors in the Horizon system in 2003 while working as a Single Joint Expert, only to have his findings dismissed by the Post Office. Jason tells us more about his involvement in the case, including how he later acted as an Expert Witness in the sub-postmasters’ case against the Post Office.

A defendant who chose not to attend or be represented at trial, suggested that he might still instruct his expert witness to provide oral evidence. 

Ben Leeson & Anor v Donald McPherson [2024] EWHC 976 (Ch)

An expert witness must be careful not to step over the boundary between being an independent expert and an advocate for the party instructing them.

Balachandra v The General Dental Council [2024] EWHC 18 (Admin) (10 January 2024)