ICAEW.com works better with JavaScript enabled.

Corporate Finance Faculty team

Details of the Corporate Finance Faculty team, including how to contact them.

David Petrie, Head of the Corporate Finance Faculty

David Petrie

David leads ICAEW’s work and public policy engagement in corporate finance. David is a highly experienced corporate financier and has been actively involved in numerous initiatives designed to improve access to finance and business investment, including leading a task force of 22 of the UK’s leading business organisations and the British Business Bank, to devise the Business Finance Guide. In 2023 David is leading a body of work on ESG in Deals and Investment and with HM Government on Cyber Security in Corporate Finance. He also sits on the Department of Business and Trade’s Business Finance Council, its Expert Panel on National Security and Investment, and the Advisory Board of the M&A Research Centre at Bayes Business School. 

David holds a BSc (Jt Hons.) from the University of Durham, an MBA with distinction from the University of Bath, and the ICAEW’s Diploma in Corporate Finance.

T +44 (0)20 7920 8796


Katerina Joannou, Senior Manager, Capital Markets Policy

Katerina Joannou

Katerina is Manager, Capital Markets Policy. She is responsible for thought leadership in corporate finance technical and regulatory issues, engaging with and understanding the needs of corporate finance practitioners and producing best-practice guidance for faculty members.

Katerina leads on ICAEW’s responses to corporate finance-related consultations and on the development of ICAEW guidance for market transactions. She is secretary to the faculty’s Technical Committee which comprises expert corporate finance practitioners.

Katerina is a chartered accountant and has also worked in banking and as a freelance business writer.

T +44 (0)20 7920 8806


Sam Gallagher, Manager, Corporate Finance Faculty



Marc Mullen, Editor, Corporate Financier magazine

Marc Mullen

Marc is a journalist and editor. He is also a chartered accountant. He qualified with Coopers & Lybrand (now PwC) in 1993, before joining its corporate finance team. He worked for Smiths Group, as financial controller of their operating company Icore, and on M&A within the FTSE100 company’s industrial group.

He retrained as a journalist and has written for a wide variety of publications, including the Independent, the FT, local newspapers. He has been editor of Corporate Financier since 2012. He wrote the two editions of the ICAEW’s Business Finance Guide, which was published with the British Business Bank and has been the most widely circulated ICAEW guideline.

He has a mathematics degree from the University of Nottingham, is an ACA, and holds the diploma of journalism.

T: +44 7930 847544

E: marc.c.mullen@gmail.com