Portrait of Jonathan Haynes

Jonathan Haynes : Senior Consultant

Jonathan is an expert in the economics of the financial services sector and a senior member of Oxera’s Finance and Valuation team, where he applies his skills in corporate finance, regulation, asset pricing and valuation. He has over 10 years of experience advising governments, regulators and companies, including leading banks, insurers, exchanges and payment service providers, on regulatory, competition and finance issues in the financial services sector. He has expert knowledge of European financial regulation, particularly with respect to payments, financial markets and financial institutions, the banking sector state aid framework, and the current policy landscape.

Before joining Oxera, Jonathan worked at the European Commission, where he played a leading role in designing EU financial regulation in response to the financial crisis. Before this, he worked in the UK Government Economic Service, at HM Treasury and the Committee on Climate Change, on policy issues relating to banking policy, climate change and pensions. Jonathan also spent some time teaching undergraduate corporate finance and valuation at Universitat Pompeu Fabra in Barcelona and conducting research at the Barcelona Center for Banking Studies.

Jonathan speaks English.

Tel: +44 (0) 20 7776 6655

Jonathan's specialisms include:

professional experience

  • Submitted an expert report to the High Court of Ireland on behalf of a class of investors in the context of a dispute about investor compensation following the failure of Custom House Capital (2020–)

  • Managing a study on the liquidity landscape in equity markets for the Association for Financial Markets in Europe (AFME) (2021)

  • Competition and regulatory advice to an international derivatives exchange group in the context of the FCA market investigation into wholesale financial market data (2020–)

  • Advising the European Commission on its Renewed Sustainable Finance Strategy (2020)

  • Expert to the European Parliament Committee on Economic and Monetary Affairs on technical, regulatory and policy issues in the field of financial stability and quantitative analysis (2020–25)

  • Managing financial analysis on market-to-asset ratios of listed water companies in the context of appeals to the UK Competition and Markets Authority on the PR19 price controls (2020)


  • MSc Economics and Finance, Barcelona Graduate School of Economics, Spain

  • CFA Investment Management Certificate

  • BSc Economics, University of Bath, UK

Latest Insights:  Jonathan Haynes

Due to the COVID-19 crisis, the European Central Bank (ECB) projects a sharp rise in non-performing loans (NPLs). In late 2020, the European Commission published an action plan for tackling…
Financial markets facilitate economic growth, which contributes to global prosperity and wellbeing. The political recognition that addressing climate change is also integral to these has seen financial markets adapt by…
Many financial assets trade away from exchanges in over-the-counter (OTC) markets. The academic literature has highlighted the value of both the OTC and exchange trading models but also notes some…
The decline in European public equity markets has sparked concern from policymakers about how to revive listings. Behind this overall declining trend, there is a notable variation between financial centres.…

The Economics of Climate Change at COP26

Oxera will be presenting on The Economics of Climate Change at COP26—the 2021 United Nations Climate Change Conference—in Glasgow, on one of the world leaders’ days on 2 November 2021. The aim of COP26 is to increase global alignment on climate action. We will be demonstrating to the world’s governments,… Read More

Image depicting The Economics of Climate Change at COP26