Robert Maddox is an associate based in the London office and a member of the firm’s White Collar & Regulatory Defense and International Dispute Resolution Groups as well as the firm’s Data Strategy & Security practice. His practice focuses on complex multijurisdictional investigations, disputes and cybersecurity matters.

Mr. Maddox joined Debevoise in 2013. He holds an M.A. in law from the University of Cambridge and an LL.M. (Corporate & Financial Services Law, First Class) from the National University of Singapore, where he was a Faculty Graduate Scholar. He completed the Legal Practice Course in 2011 with Distinction. 

Prior to entering private practice, Mr. Maddox interned on the defence team of Thomas Lubanga Dyilo, the first individual to stand trial before the International Criminal Court in The Hague. He has worked with the Texas Defender Service, a non-profit law firm representing indigent individuals facing capital punishment in the state of Texas.

Mr. Maddox is the co-author of “5 GDPR Compliance Tips From UK Ticketmaster Fraud Fine,” Law360 (December, 2020); “It’s Time to Take Credential Stuffing Seriously,” Compliance & Enforcement (October, 2020); “Schrems II – Where are we now?,” Compliance & Enforcement (August, 2020); “U.K. and U.S. Sign Landmark Cross-Border Data Sharing Agreement,” Compliance & Enforcement (November, 2019); “New Guidance On The GDPR's Territorial Scope – Are You Covered?,” Compliance & Enforcement (December, 2018); “Beyond The Headline Fines: Preparing For Post-GDPR ICO Scrutiny and Enforcement,” Global Data Review (October, 2018); “Legal Precedent Banks,” Practical Law Company Magazine (March, 2018); “Preparing For The GDPR’s Breach Notification Requirements,” Insurance Day (August, 2017); “Analysis: Lessons Learned From TalkTalk Cyber Breach,” Global Reinsurance (November, 2016); “Lessons Learned From TalkTalk Cyber Breach,” Strategic Risk (October, 2016); “Introducers And Associated Corruption Risks In Commercial Broking,” Thomson Reuters Accelus (February, 2014); and “U.K. Financial Conduct Authority Imposes Fine on Besso Limited,” Financial Fraud Law Report (May, 2014). 

Mr. Maddox was admitted as a solicitor of the Senior Courts of England & Wales in 2013.


  • College of Law, London, 2011, L.P.C.
  • National University of Singapore, 2010, LL.M.
  • University of Cambridge, 2009, B.A. (Hons)

Bar Admissions

  • Solicitor, England & Wales