Claudia Berg

Claudia Berg

United Kingdom, London
General Counsel at Information Commissioner's Office
Profession: Lawyer
Industry: Competition, Regulatory / Enforcement


Claudia is the General Counsel for the UK Information Commissioner’s Office. She is responsible for the provision of strategic legal advice to the Commissioner and Management Board. Prior to this, Claudia worked at the Competition & Markets Authority, with responsibility for legal oversight of the CMA’s entire competition law enforcement portfolio, and also spent 8 years at Linklaters in the firm’s competition law department. Claudia is a dual qualified Solicitor in England & Wales and Germany.


English, German, French


Competition LawData Protection Law


Information Commissioner's Office

General Counsel at Information Commissioner's Office

April 2021 - Present • London, UK

Since joining the ICO as General Counsel, alongside leading the ICO Legal Service in providing advice across the range of the ICO’s work, Claudia has taken the lead on regulatory thinking on the intersection of competition and data protection law, both in terms of casework and public speaking engagement domestically and abroad eg GPA Istanbul, Concurrences Paris and W@Competition London. Claudia is responsible for ensuring the ICO is discharging its legal duties and operating consistently in line with agreed legal risk appetite and informing the way the laws we oversee are developing. Claudia is the head of profession for the lawyers at the ICO, wherever they are positioned in the organisation.

The UK Competition and Markets Authority (CMA)

Senior Legal Director, Antitrust Enforcement at The UK Competition and Markets Authority (CMA)

7 years • April 2014 - April 2021 • London, UK

Whilst at the CMA, Claudia led, among other things, on the enforcement action into anti-competitive practices in the pharmaceutical sector, setting important UK and EU legal precedents on excessive pricing, pay for delay agreements, parental liability of private equity companies, and personal liability of Directors, as well as leading to multimillion fines on a number of big pharma and generics companies. For example, the CMA’s enforcement action in relation to Phenytoin Sodium Capsules, Paroxetine, Liothyronine tablets, Hydrocortisone tablets and Nortriptyline.
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