Derek Holt is a Partner & Managing Director in the Risk practice at AlixPartners, and is based in London. He has over 25 years of experience acting as an expert and economic advisor in the fields of competition litigation and economic regulation. 

He is an expert in the economic analysis of network industries, including financial services, utilities, and transport, and has acted on competition matters in relation to a wide range of industrial and consumer sectors. He frequently acts as an expert in litigation proceedings in relation to abuse of dominance, anti-competitive agreements (horizontal and vertical), follow-on damages and collective proceedings.

Derek has acted as a testifying expert witness or economic advisor in matters before courts, regulatory and competition authorities such as the UK High Court, the European Commission, the UK Competition Appeal Tribunal, the UK Competition and Markets Authority (and its predecessor the Competition Commission), various sectoral regulators, the South African Competition Tribunal and various Arbitration panels. 

Derek graduated with distinction with an MSc degree in economics from the London School of Economics, having previously completed an honours degree in economics and finance at McGill University in Montreal, Canada. He has also earned a Postgraduate Diploma with Merit in Competition Economics from Kings College, University of London. He is fluent in English and French.

Key Engagements:

  • Expert on behalf of Visa in relation to Inter-regional and Commercial Card Claims opt-out and opt-in actions
  • Expert on behalf of Amazon in relation to UK Buy Box opt-out claims
  • Expert for Australian energy generator in relation to collective consumer action
  • Testifying expert in relation to various sports competition claims including Saracens v PRL (salary caps); Players v PGA European Tour (exclusivity clauses); and Player Agents v FA
  • Quantum expert for opt-out Boundary Rail Fares claim
  • Testifying expert for Visa relating to A101 and A102 claims regarding multilateral interchange fees before UK High Court
  • Expert for PSA in relation to follow-on damages claim for automotive bearings before the CAT
  • Expert for Citigroup relating to F/X claims
  • Testifying expert for Network Rail relating to A101 and A102 claim regarding supplier assurance market before the CAT
  • Testifying expert for Ping in Ping v CMA relating to CAT appeal of infringement decision regarding online sales ban
  • Expert on collective actions relating to anti-competitive practices relating to Apple and Google app stores
  • Testifying expert for Vodafone et al in BT v Ofcom relating to appeal of Ofcom’s determination of Ethernet overcharges

Derek is featured in the Who’s Who Legal Guide to Competition Economics Experts as a thought leader.

He has recently presented at the events and conferences including various talks to law firms in relation to antitrust damages, behavioral economics, the use of economics in Courts, and vertical restrictions. He has also spoke at the Cambridge Forum on UK Competition Litigation 2023, November, the Cambridge Forum on European Competition Litigation 2023, September, and the Legal Business Annual Conference on “Financial Services Regulatory and Disputes Summit” – panelist on Collective competition actions in financial services”, November 2023. 

Derek gains recognition for his extensive experience handling competition matters, and is well versed in providing expert counsel on abuse of dominance and market investigation proceedings

Who's Who Legal

Derek Holt excels at testifying in major competition litigation and provides crucial insight into regulatory economics and damages claims.

Who's Who Legal