Astraea

Managing Partner and Co-Founder

Nina Stewart is the Managing Partner and Co-Founder of Astraea and leads on execution of strategy and all operational and growth aspects of the firm.

Nina brings a wealth of professional service and board-level business experience to Astraea’s multidisciplinary offering.  She is a Solicitor, a Fellow of the Institute of Chartered Accountants in England & Wales (ICAEW) and a Chartered Tax Advisor (CTA).  The early years of her career were spent at a Big 4 firm in London providing international tax advice to large corporates.  Since then, she has worked across a range of sectors including oil and gas, financial services and the legal sector.

Nina has served on Boards and Audit Committees in both the private and charitable sectors, including chairing a private-equity-owned oil services business and serving as a trustee on the Board and chairing the Audit & Risk Committee of the NCT, the UK’s largest parenting charity. She is currently on the Board of the London Football Association (London FA), where she serves as the Independent Non-Executive Finance & Risk Director.

Sep 2019 - Present - Managing Partner, Astraea

Mar 2025 - Present - Director, Fraud Sentinel

Jan 2023 - Present - Non-Executive Finance & Risk Director / Chair of Audit & Risk Committee, London Football Association

Oct 2022 - Present - Mentor, POWERful Women

May 2012 - Present - Director, Simpson Booth Limited 

Apr 2020 - Jun 2024 - Chairperson / Non Executive Director, Ocean Installer

May 2017 - May 2021 - CFO, London Wall Lending

Mar 2013 - Jan 2018 - Finance & Audit Committee Member, Energy Institute

Sep 2002 - Apr 2012 - Vice President & Group Financial Controller, Subsea7

Sep 1998 - Aug 2002 - Consultant, Arthur Andersen

Solicitors Regulation Authority (SRA), Solicitor of England and Wales

Chartered Accountant (Fellow), Institute of Chartered Accountants in England and Wales (ICAEW)

Chartered Tax Adviser, Chartered Institute of Taxation (CIOT)

The College of Legal Practice Solicitors Qualifying Examination (SQE)Solicitors

ICAEW Fellow - Institute of Chartered Accountants in England & Wales (FCA) 1998 - 2001

Chartered Institute of Taxation Chartered Tax Adviser (CTA) 2000 - 2001

King's College London BSc (Hons), Mathematics 1995 - 1998