Nausicaa Delfas is the Chief Executive Officer of the Pensions Regulator (TPR). Before joining TPR in 2023, she was Executive Director, Governance, at the Financial Conduct Authority (FCA). Until October 2022, she was Chief Executive Officer and Chief Ombudsman of the Financial Ombudsman Service (interim), clearing its backlogs and spearheading its strategic, operational and digital transformation.   Before that, as Executive Director of International, she was responsible for the FCA’s international and Brexit strategy and delivery.    She has also served as the FCA’s Chief Operating Officer and previously held senior roles at the FCA and FSA, including in Supervision. Enforcement, Risk and Policy, across retail and wholesale sectors.   She has led innovative and complex transformational initiatives, driving changes in regulation and culture. Before joining the FSA, Nausicaa trained and qualified as a solicitor at City law firm Freshfields in London.  Since September 2025, Nausicaa is also a Non-Executive Director of the Centre for Finance, Innovation and Technology.