Digital Markets, Competition and Consumers (DMCC) Act & Other Developments in Digital Markets
Digital Markets, Competition and Consumers (DMCC) Act & Other Developments in Digital Markets


Cleo Alliston is a senior lawyer at the BBC - a world-leading public service broadcaster. Cleo specialises in competition and regulatory law and prior to joining the BBC, Cleo was an Assistant Director at the UK competition regulator, the Competition and Markets Authority. At the CMA, Cleo conducted numerous merger enquiries, as well as leading investigations into anti-competitive agreements and abusive conduct. Cleo also had a key role in the CMA’s work on the anticipated digital competition regime. Cleo started her legal career as a solicitor in the Competition and Regulatory Group of London law firm Slaughter and May.

Mikaël Hervé is a Vice President in Charles River Associates’ European Competition Practice. He specialises in the application of econometric techniques to competition assessments. His work covers mergers and acquisitions, litigation antitrust investigations, and damages estimation.
Mikaël has deep knowledge in particular in digital and multi-sided markets (e.g. advising mass media companies, ad tech firms, specialised search engines, music companies, online ticketing platforms), in tech and innovative industries (e.g. cloud computing, IT services, connected cars) and in finance (e.g. advising banks in Forex, Libor, CDS and bonds market manipulation cases).
He has experience in damage quantification testifying both on behalf of plaintiffs and defendants. He has assisted clients in front of the European Commission, national courts and authorities in the UK, France, Germany, Canada, the Netherlands, the US and Australia.
Mikaël holds a double degree as a Statistician-Economist from ENSAE Paris and HEC Paris Business School. He regularly speaks at conferences and publishes in competition journals including the Journal of European Competition Law and Practice, the European Competition Journal, Concurrences. He also participates in training programmes at universities on competition economics or for professional practitioners at law firms.
Robert O'Donoghue KC has extensive experience of competition law, EU law, utility regulation, and related aspects of commercial and public law. He has appeared in major cases in the High Court, Competition Appeal Tribunal, Court of Appeal, Supreme Court, EU Courts, Irish courts, international arbitral bodies, and in oral hearings before competition authorities and sectoral regulators in these matters. He also frequently gives expert evidence on his areas of expertise in foreign courts and arbitral bodies, including in class actions in Canada and Israel, as well as litigation in Sweden. Whilst his practice focuses mainly on private clients, Robert also frequently acts for and advises public authorities within and outside the EU, including in Hong Kong, Australia, and Ireland. Robert is also a full member of the Brussels Bar, and so retains full rights of audience in the EU Courts and the courts of the EU Member States.

Stephen McDonald is Head of Economics at Which?, the UK's Consumers' Association. Stephen manages Which?’s programme of economic research and analysis and leads on competition policy. His research relating to digital markets was used extensively by the UK government in its development of the Digital Markets, Competition and Consumer Act. Stephen holds a PhD in industrial organization and was formerly a Lecturer in Economics at Newcastle University, where his primary research focus was consumer outcomes in online markets.

Tom Fish is Head of Europe for the Data Transfer Initiative (DTI), a nonprofit organisation dedicated to empowering technology users to transfer their data from one service to another. Tom specialises in tech policy issues at the intersection of competition and data protection, with past experience across the UK government and the CMA, a fast-growing UK startup, and an industry coalition which he founded and led on behalf of data intermediaries.






- DMCC: what are the obligations?
- How will it be implemented?
- Where is the CMA with designations?
- Conduct requirements
- Where does the DMCC leave competition law? Why has the CMA dropped discussions with Google and Apple in relation to app stores?
- Consumer protection considerations