Meet the Council

Dr Ian Peters, MBE - Chief Executive

Ian is the Institute’s chief executive. He also chairs the Independent Monitoring Panel of the UK Chartered Banker Professional Standards Board and has previously served on the government’s Regulatory Policy Committee, as well as various other government committees. He was awarded an MBE for services to regulatory reform in 2015.

He was previously director of external affairs at the Engineering Employers Federation (EEF) and, before that, deputy director general of the British Chambers of Commerce. He holds a PhD in the role of small business in economic growth and a BA in Geography.


Aidan Allcock, CMIIA QIAL CIA

Aidan is head of internal audit for Arbuthnot Latham.

He has 15 years internal audit and 30 years’ financial services experience in insurance, banking and asset management environments.

Prior to becoming a chartered IIA council member, Aidan chaired the IIA Scotland Committee and was a member of the IIA International Conference Organising Committee. He has also hosted regional events on behalf of IIA East and South and was an IIA Tutor in Risk Management and Corporate Governance. 


Dermot Byrne, CMIIA QIAL CPFA MA          

Dermot is the head of the internal and EU audit unit in the department of public expenditure and reform in the Republic of Ireland.

He has a master’s degree in public management and is a member of the Chartered Institute of Public Finance and Accountancy.

Dermot is a regular speaker at finance management seminars and a frequent contributor to training programmes. He previously managed the audits of various government ministries, and currently chairs the audit committees of two public sector bodies in Dublin.  


Sally Clark, CMIIA QIAL - Joint Deputy President

Sally is chief internal auditor at Barclays and runs its 650 strong global internal audit function.

She joined Barclays from RBS where she held various audit roles in wealth and corporate markets and headed up audit strategy, operations and development.

Prior to this, she spent 18 years at JP Morgan Chase where she became audit partner and co-head of investment banking audit for EMEA.

Sally holds a bachelors in English and comparative literature, and an MBA from the University of Warwick.  



Peter is a chartered internal auditor and a fellow of the UK Chartered Institute of Management Accountants. He has an MA in history and modern languages and an MPhil in Russian and east European studies from the University of Oxford.

Peter was head of internal audit for Novartis, where he had worldwide responsibility for internal audit and enterprise risk management, with over 60 staff internationally. 

Prior to that, he spent 15 years at Shell in positions of increasing responsibility.


Carolyn Fiddes, CMIIA QIAL CIA

Carolyn was the audit director for operations and technology transformation including structural reform at Barclays. Originally from Northumberland, she began her career in IT in the insurance sector before moving into professional services as advisor and programme director of major change programmes for financial services clients.

Since then, she’s held down various auditing roles for Aviva and Friends Provident (now Friends Life). She has a degree in ancient history and archaeology, and, in 2013 received her CMIIA qualification.


Mark Lenton, CMIIA - Joint Deputy President

As director of internal audit at Walgreens Boots Alliance, Mark is responsible for internal audit across retail activities in eight countries including Boots in the UK and ROI.

Formally the head of internal audit & risk for United Utilities, he has over 17 years’ experience in governance, risk management, internal control and assurance, gained from a diverse career across a range of sectors.

Mark is a chartered internal auditor, chemistry graduate and a fellow of the Chartered Institute of Management Accounts (FCMA).  


Paul Manning, CMIIA QIAL CIA - President

Paul is director of the Office of Internal Oversight Services at the International Atomic Energy Agency (IAEA).

Previously director of Internal Audit and Investigations for Unicef, he has 25 years’ internal auditing experience across the commercial, public and charitable sectors, leading in-house and outsourced audit functions as well as investigations and evaluations.

Paul was awarded Chartered Internal Auditor status in 2014 and is Chair of the Institute's audit committee. 

Rosie Nightingale, PIIA CIA

Rosie is a manager in internal audit, governance, risk and compliance at PwC.  

Prior to joining PwC, she was a senior auditor at the Government Internal Audit Agency, and has trained with the Department for International Development Internal Audit team as a senior internal auditor, leading and delivering internal audits across the globe.

Rosie has a bachelor’s degree in sociology and social policy, and a Rudolph Klein prize for social policy. She has also been awarded the Charles Duly prize by the institute.


Mark Sullivan, CMIIA QIAL CIA 

Mark is the director for international projects at Baker Tilly where he leads on a wide range of audit, investigation and due diligence assignments.

He is MIIA and MSc qualified and is a strong advocate for internal audit.

He previously trained as an auditor at HMRC,  and is acting head of audit for various organisations. He is also a member of the IIA north east committee and sits on the advocacy committee for the Global IIA. 


Mike Taylor, CMIIA QIAL CIA - Immediate Past President

As president of the Chartered IIA and chair of the institute’s business & finance committee, Mike delivers advice on governance, risk management and internal audit matters.

He has a long-standing background in internal audit, governance and management, and extensive experience in the financial services sector. He holds a BSc in economics and has held various leadership posts in finance, risk management, security and internal audit.

Mike places great importance in building effective relationships between audit and senior management, in order to optimise the value and relevance of audit execution.


Sean Tompkins 

Sean Tompkins is CEO for the Royal Institution of Chartered Surveyors (RICS), and a former marketing and distribution director for Prudential Financial Services.

He is chiefly responsible for ensuring RICS is recognised in the key economic and political centres of the world as the leading body that sets and enforces professional standards in land, real estate, construction and infrastructure.

He is a co-opted director for the institute, as well as a chartered insurer, and a fellow of the Institute of Direct Marketing.


Jon Whitfield, CMIIA QIAL CIA

Jon is a CMIIA-qualified auditor with an MSC in internal audit and management.

In 2004, he was appointed as head of internal audit for the Department for Trade and Industry, and, since then, has held down various similar roles including a chief executive position for the Government Internal Audit Agency.

Jon was awarded a CBE in the 2014 New Year’s Honours List for Services to Government Audit and is a co-opted director of the institute.


Peter Wood, CMIIA

Peter is the director of internal audit and assurance at the UK National Audit Office.

Originally a CIPFA-qualified accountant, he’s worked for top firms including Baked Tilly and Arthur Andersen, helping build up their internal audit profiles.

He has a degree in economics and is a member of the CIIA, having qualified via the chartered by experience route.

Peter has worked across a range of business sectors including financial services and retail.


Stephen Crowe - Company Secretary 

As well as acting as company secretary for the institute, Stephen oversees the work of the finance and office services departments. 

In his role as company secretary, Stephen is supported by Kim Reed, business services manager.