Katie McMullan | London | Hogan Lovells

Katie McMullan

Counsel Global Regulatory

Languages

English

McMullan Katie

Katie McMullan
McMullan Katie
  • Overview
  • Experience
  • Credentials
  • Insights and events
quote mark

Katie is an exceptional lawyer - her advice is always on point, practical and implementable.

Chambers UK Guide 2026

Top global technology and consumer-facing businesses seek Katie McMullan's advice on privacy, AI and cybersecurity strategies. 

Katie has extensive experience in the area of international data transfers, including designing global compliance programs, advising both the providers and users of cloud services, outsourcing, and guiding clients to achieve Binding Corporate Rules for both Controllers and Processors. She also regularly advises on data-driven marketing activities, personalisation, and cross-device tracking.

Katie's regulatory work includes strategy and advocacy, responding to regulator RFI's and proactive outreach in the areas of privacy and AI, and addressing complex data subject issues and risk management.

Before returning to private practice in 2011, Katie worked in-house at the BBC as a data protection and freedom of information specialist and has completed a number of client secondments. She consistently uses this first-hand, practical experience to provide real-world, commercial advice to our clients.

Katie was a contributor to 'European Privacy; Law and Practice for Data Protection Professionals' (IAPP, 2022).

quote mark

Katie is "a highly commercial and diligent lawyer with excellent interpersonal skills"

Chambers UK Guide 2022

Representative experience

Advising a ride-sharing platform on its response to an inquiry by the ICO in relation to the pricing and work allocation algorithms and related data protection impact assessments.

Advising a number of leading technology businesses on the use of facial recognition technology, for example as an identity verification tool.

 

Advising a number of international businesses on the use of AI recruitment tools.

 

Assisting multinationals to devise and implement workable strategies to legitimise international data flows, for example when centralising an HR database outside Europe

Advising an AI Chatbot service with its response to information requests from European DPAs and the ICO in relation to the use of user data in the context of AI model training.

Advice for a major consumer-facing booking platform on a comprehensive strategy for data sharing and optimization amongst brands.

Advice for international businesses operating in or looking to enter the UK market on the implications of Brexit

Credentials

Education
  • BCA, Victoria University of Wellington, 2005
  • LL.B., Victoria University of Wellington, 2005
Bar admissions and qualifications
  • Solicitor, England and Wales
  • New Zealand
Memberships
  • International Association of Privacy Professionals

Recognition

Associates to watch (Data Protection)

Chambers

2022
Associates to watch (Data Protection)

Chambers

2023
Associates to watch (Data Protection)

Chambers

2024
Associates to watch (Data Protection)

Chambers

2025
Associates to watch (Data Protection)

Chambers

2026