Antonia Romeo has made history in British public administration by becoming the first woman to serve as Cabinet Secretary and Head of the Civil Service. With more than 25 years of experience across major government departments, she has developed a career covering economics, international trade, criminal justice, national security and public-sector reform. Her appointment in February 2026 marked an important moment in the history of the UK Civil Service. From her academic background at Oxford and the London School of Economics to her leadership responsibilities at the heart of government, her professional journey offers an interesting picture of modern British public service.
Quick Bio of Antonia Romeo
| Detail | Information |
|---|---|
| Full Name | Dame Antonia Romeo |
| Nationality | British |
| Profession | Senior Civil Servant |
| Current Position | Cabinet Secretary |
| Additional Role | Head of the Civil Service |
| Appointed | 19 February 2026 |
| Education | University of Oxford |
| Postgraduate Education | London School of Economics |
| Additional Qualification | Columbia Business School Advanced Management Programme |
| Previous Employer | Oliver Wyman |
| Previous Positions | Permanent Secretary at the Home Office, Ministry of Justice and Department for International Trade |
| Honours | Dame Commander of the Order of the Bath |
Who Is Antonia Romeo?
Antonia Romeo is a senior British government official responsible for providing leadership across the UK Civil Service. As Cabinet Secretary, she serves as the Prime Minister’s principal policy adviser and Secretary to the Cabinet. She also leads nearly half a million civil servants working across government departments and public institutions.
Her appointment was announced on 19 February 2026, following the departure of Sir Chris Wormald. The appointment made her the first woman to occupy the Cabinet Secretary position in its more than 100-year history.
Before taking on this responsibility, she held senior leadership positions in several important government departments. Her experience in international affairs, justice, economic policy and national security helped prepare her for the demands of the country’s most senior civil service position.
Early Life and Educational Background
Romeo’s academic background reflects her interest in economics, politics and public administration. She studied Philosophy, Politics and Economics (PPE) at Brasenose College, University of Oxford. This multidisciplinary subject provided a foundation in political institutions, economic principles and the wider forces influencing society.
She later completed a Master of Science in Economics at the London School of Economics (LSE). Her postgraduate education strengthened her understanding of economic systems, policy development and the relationship between government decisions and economic outcomes.
She also completed an Advanced Management Programme at Columbia Business School. This additional qualification contributed to her professional development in leadership and organisational management.
Her educational experience has been relevant throughout her career, particularly in positions involving economic strategy, government transformation and complex policy decisions.
How Antonia Romeo Started Her Career
Before entering government, Romeo worked at Oliver Wyman, a strategic consultancy firm. Her experience in the private sector provided exposure to business strategy and organisational challenges.
She joined the UK Civil Service in 2000 as a professional economist, initially working in the Lord Chancellor’s Department. In her November 2026 lecture at the London School of Economics, she recalled beginning her government career on a temporary contract.
Her early experience introduced her to the complexity of public administration and the importance of designing effective policies. Over time, she moved into increasingly senior positions, gaining experience in economic and domestic affairs, criminal justice and government transformation.
This progression eventually took her into leadership roles with responsibility for major departments and national policy programmes.
Professional Career and Government Leadership
One of the defining features of Romeo’s career has been her experience across different areas of government.
Between 2011 and 2015, she served as Director General of Criminal Justice at the Ministry of Justice. Her responsibilities included criminal justice policy and major programmes affecting the justice system.
She subsequently worked in the Cabinet Office as Director General and Head of the Economic and Domestic Secretariat. The position involved coordinating policy advice for the Prime Minister and Cabinet.
In 2015, she also became the Government’s Special Envoy to US technology companies. Her international responsibilities expanded when she moved to New York, where she served as British Consul General and Director General of Economic and Commercial Affairs USA between 2016 and 2017.
These positions gave her experience in international relationships, business engagement and economic diplomacy.
Leadership at the Department for International Trade
In 2017, Romeo became Permanent Secretary at the Department for International Trade. She held the position until 2021, overseeing a department responsible for international trade policy, negotiations, market access and investment promotion.
Her appointment came during a significant period for Britain’s international economic relationships following its decision to leave the European Union.
One of her responsibilities was helping establish and develop the department’s structures and operations. The role required coordination across government, engagement with international partners and support for British businesses seeking opportunities overseas.
This experience added an international dimension to her career and demonstrated her ability to lead a major government organisation during a period of institutional change.
Her Work at the Ministry of Justice and Home Office
In January 2021, Romeo was appointed Permanent Secretary at the Ministry of Justice. She remained in the position until 2025, overseeing areas that included criminal justice, prisons, probation services, courts, legal services and constitutional policy.
Her responsibilities involved managing complex public services and supporting ministers with justice-related priorities. The department also faced continuing challenges involving court capacity, prison services and the wider criminal justice system.
In March 2025, her appointment as Permanent Secretary at the Home Office was announced. She took up the position in April that year, with responsibilities covering national security, border security and public safety.
Her experience across these two departments strengthened her understanding of the operational challenges facing the British Government.
Becoming the First Female Cabinet Secretary
On 19 February 2026, Romeo was appointed Cabinet Secretary and Head of the Civil Service by Prime Minister Keir Starmer.
The appointment represented a historic milestone because no woman had previously held the Cabinet Secretary position during its more than century-long history.
The Cabinet Secretary has an important role in supporting the Prime Minister, coordinating government administration and ensuring that Cabinet Government operates effectively. The position also involves providing impartial advice and helping different departments work towards shared priorities.
As Head of the Civil Service, Romeo has responsibility for leading an organisation that delivers public services, administers government programmes and implements policies.
Her appointment placed her at the centre of discussions about improving government performance, organisational efficiency and public-sector innovation.
Leadership Priorities and Government Reform
Modernising government has become an important theme of Romeo’s leadership. Her responsibilities include supporting improvements in productivity, developing stronger public services and encouraging more effective use of technology.
On 10 November 2026, she delivered the Cabinet Secretary’s Annual Lecture at the London School of Economics under the title “Rewiring the State and the Future Civil Service.”
The speech addressed the need for a more adaptable and technologically capable Civil Service. She discussed artificial intelligence, government productivity, institutional resilience and the importance of devolving power.
Her vision involves using technology to improve public administration while preserving essential principles such as honesty, integrity, objectivity and political impartiality.
These priorities reflect the wider challenge of ensuring that government institutions can respond effectively to changing public expectations and technological developments.
Antonia Romeo’s Husband, Family and Personal Life
Although her professional background is extensively documented, Romeo keeps much of her private life away from public attention.
Official government biographies focus primarily on her education, career and public responsibilities. Reliable information confirming her husband’s identity, whether she has children, or other specific family details is not established in the official biography.
Similarly, publicly verified information about her date of birth and personal net worth is limited. It is therefore more appropriate to avoid presenting unconfirmed personal details as established facts.
Her public profile remains closely associated with her work in government and her responsibilities as the UK’s most senior civil servant.
Conclusion
Antonia Romeo’s journey from an economist entering the Civil Service in 2000 to becoming Britain’s first female Cabinet Secretary in 2026 reflects more than two decades of experience in public administration. Her work across international trade, justice, national security and government reform has shaped her professional career. As Head of the Civil Service, she now faces the challenge of modernising government while maintaining the principles that support effective public service. Her leadership and future reforms will remain important subjects in British public administration. At Wisto Blogs, we aim to explore the careers and achievements of influential individuals like her, providing readers with informative and accessible biographies.
