Biographies of our independent non-executives and audit non-executives
We have appointed independent non-executives (INEs) and audit non-executives (ANEs).
 | Guy Jubb, Independent Member of the Public Interest Committee (PIC) and the Audit Board PIC appointment: November 2017 to present Audit Board appointment: January 2023 to present Professor Guy Jubb is an Independent Member of the Public Interest Committee and the Audit Board at Forvis Mazars UK. A Chartered Accountant and Honorary Professor at the University of Edinburgh, Guy brings decades of experience in corporate governance, stewardship, and financial oversight. He served for over 20 years as Global Head of Governance and Stewardship at Standard Life Investments, where he played a leading role in shaping best practices in corporate governance. His contributions to the field were recognised with the Outstanding Achievement Award from the Governance Institute (ICSA) in 2016. Guy is a Director and former Chair of the European Corporate Governance Institute, and Co-Director of the Conference Board’s European Corporate Governance Council. He has also served two terms on the Standing Advisory Group of the PCAOB, the US audit regulator, and was a member of the Council of ICAS, where he chaired the Research Panel. As a member of both the Public Interest Committee and the Audit Board, Guy provides independent oversight and strategic insight, helping to ensure that Forvis Mazars’ governance structures uphold transparency, accountability, and the public interest. |
 | Lord Amyas Morse, Independent Member of the Public Interest Committee (PIC) PIC appointment: December 2019 to present Lord Amyas Morse is an Independent Member of the Public Interest Committee and formerly Chair of the Audit Board at Forvis Mazars UK. In September 2024, he was appointed Chair of the Public Interest Committee, having served as a member for several years. He transferred the chairpersonship of the Audit Board to Oliver Tant in Autumn 2024. Lord Morse has had a distinguished career in both the private and public sectors. He spent a significant part of his professional life at PwC and its predecessor firms, where he held senior roles including UK Executive Partner and Global Managing Partner for Operations. He later served as Defence Commercial Director at the Ministry of Defence before being appointed Comptroller and Auditor General and CEO of the National Audit Office (NAO), a role he held for a full 10-year parliamentary term. During his tenure at the NAO, Lord Morse published around 60 reports annually, focusing on value for money and public accountability. His leadership has been marked by a commitment to transparency, independence, and the public interest—principles he continues to uphold in his governance roles at Forvis Mazars. As Chair of the Public Interest Committee, Lord Morse plays a vital role in overseeing the firm’s alignment with public interest responsibilities, ensuring that governance structures reflect integrity, accountability, and trust. |
 | Devyani Vaishampayan, Independent Member of the Public Interest Committee (PIC) and the Audit Board PIC appointment: March 2025 to present Audit Board appointment: January 2023 to present Devyani Vaishampayan is an Independent Member of the Audit Board at Forvis Mazars UK. She brings a unique blend of global corporate leadership, governance expertise, and entrepreneurial insight to the role. Over the past seven years, Devyani has been a successful Artificial Intelligence (AI) entrepreneur, having founded and exited an AI Innovation Hub that advised corporates on digital adoption in leadership, culture, and the future of work. Her earlier career spans more than 30 years in senior HR leadership roles at Group Executive level across FTSE 30 companies, including British Gas, Rolls-Royce, Citibank, ATandT, and BSI. She has led large, complex organisations through transformational change and held global responsibilities across Europe, Asia, and the Americas. Devyani is currently Remco Chair and Non-Executive Director at Norman Broadbent Plc, Supply Chain Coordination Limited and a Board Mentor with Criticaleye. She has also been made a Fellow at Cambridge University’s Chapter Zero, which focuses on climate governance for board directors. She is widely recognised as a thought leader in sustainability, inclusive leadership, and board governance, and has received multiple accolades including being named a Top 100 Digital Influencer around the Future of Work. As a member of the Audit Board, Devyani contributes independent oversight and strategic insight, helping ensure that Forvis Mazars’ audit practice upholds the highest standards of quality, transparency, and public interest. |
 | Oliver Tant, Independent Member of the Audit Board Audit Board appointment: February 2024 to present Oliver Tant is a Double Independent Audit Non-Executive Director (DIANE) and Chair of the Audit Board at Forvis Mazars UK. He assumed the chairpersonship in Autumn 2024, succeeding Lord Amyas Morse. Oliver brings a wealth of experience from both the audit profession and corporate leadership. He is a former Vice Chair and Head of Audit at a major audit firm and served as Chief Financial Officer of Imperial Brands from 2013 to 2021. His career spans senior roles in financial consulting, audit, and executive management, including non-executive directorships and chairing audit committees for listed companies. In the capacity of non-executive director, he is current the Senior Independent Director and Chair of the Audit Committee of B&M European Value Retail plc and Chair of the Audit Committee of HelloFresh SE. His leadership is defined by a strong commitment to audit quality, governance, and public accountability. As Chair of the Audit Board, Oliver plays a pivotal role in overseeing the integrity and independence of Forvis Mazars’ audit practice, ensuring it meets the highest standards of transparency and public interest. |
The full details of the role and terms of reference of the Public Interest Committee are to be found here and those for the Audit Board are to be found here.
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