Jonny is co-head of our Global Investigations Group and a Disputes Partner. He joined Slaughter and May in 1994 and has been a partner since 2004. He has helped many clients investigate and defend allegations of wrongdoing in civil, criminal and regulatory cases.

Highlights of Jonny’s work include:

  • conducting an investigation for an FCA regulated client into serious ‘whistleblowing’ allegations by a member of the firm's risk function
  • successfully defending Olympus Corporation in a criminal prosecution in the UK brought by the Serious Fraud Office
  • leading the team representing a major FMCG company in investigating and defending against allegations of serious wrongdoing, including bribery of public officials and anti-competitive practices, in numerous countries
  • conducting an investigation for the regulator of a systemically important regulated entity into allegations of dishonesty at a very senior level

Jonny is particularly experienced in disputes and investigations involving allegations of wrongdoing in various forms. On the civil side, these have included cases involving the ‘theft’ of confidential information by employees and competitors, conspiracy and civil fraud. On the criminal/regulatory side, he has been involved in investigations and cases concerning cartels, the Bribery Act, the Proceeds of Crime Act, the Fraud Act, export controls and sanctions, as well as Companies Act offences.

Jonny led the firm's response to the Bribery Act 2010 and is one of our experts on the Proceeds of Crime Act. He is the author of a chapter on the ‘adequate procedures’ defence in Lissack & Horlick on Bribery and co-editor of The Dispute Resolution Review.

Jonny is ranked as a leading individual for Financial Crime (Corporates) and Fraud: Civil in Chambers UK, 2018. He is also recognised as a leading individual for Regulatory Investigations and Corporate Crime, and recommended for Commercial Litigation and Fraud: Civil in The Legal 500, 2017. Jonny is a member of the City of London Law Society's Litigation Committee.

Jonathan wins praise for his ‘really exceptional subject matter expertise,’ as well as his ‘good commercial understanding’
Chambers UK, 2017

He ‘sees straight to the heart of the problem and identified solutions with consummate ease and professionalism’
Legal 500, 2017


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