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Who's Who Legal
Who's Who Legal

Global Leader

WWL Ranking: Recommended

Peers and clients say

"David is extremely authoritative as an expert witness"
"He brings personal credibility and assurance as an experienced expert"
"David is very strong in hearings"


Mr Ashton is a senior managing director at FTI Consulting. He graduated in economics with accounting and finance from the London School of Economics in 1970, joining Arthur Andersen in the same year, and qualified as a chartered accountant in 1973. Mr Ashton became a partner in 1982. He retired from Arthur Andersen in June 2002, joining LECG (which was subsequently acquired by FTI Consulting) in September 2002. 

Mr Ashton has been responsible for expert reports produced and evidence adduced in around 200 cases of litigation, arbitration and expert determination. Numerous cases have resulted in oral evidence being given (high court, arbitrations, tax commissioners, Iran-US arbitration tribunal and expert determinations). He is one of the leading experts active in commercial arbitration worldwide identified by Who’s Who Legal: Arbitration (2011–2021).

He is a fellow of the Chartered Institute of Arbitrators and of the Academy of Experts. Mr Ashton is an accredited expert determiner under the requirement of the Academy of Experts. 

Mr Ashton has been a member of the regulatory decisions committee of the Financial Conduct Authority, and was on the panel from November 2006 to March 2016. He has sat on or determined over 200 RDC panel hearings regarding warning and decision notices, encompassing oral and written presentations, across the whole range of financial services activities.

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