Senior Management Team

CoreFiling’s management team has an unrivalled depth of experience in data modelling and XBRL processing.


Philip Allen, Executive Chairman

Philip was one of the founding employees of CATS Software Inc., a specialist in risk management software, which was launched on NASDAQ with a successful IPO in 1995. He founded CoreFiling (then known as DecisionSoft) in 1997, and built up a strong practice in XML data modelling.

Following the completion of the XBRL v2.1 specification, Philip took a lead in supporting the ongoing development of the emerging standard. He won an award for devising the Inline XBRL format, which is now mandated for company tax filings in the UK. He is Editor and author of the Inline XBRL Specification and Chairman of XBRL UK, the UK jurisdiction of the XBRL International Consortium.


Stuart Rowan, Chief Operating Officer

Stuart has over 10 years’ experience in cloud software development and open data standards across a wide range of UK and international clients including consultancy firms, financial institutions, standards boards and public sector regulators.

As Chief Operating Officer, he is responsible for the consulting, development, platform, research and client support areas of our business in addition to setting overall company strategy as a member of the executive team.

Prior to becoming COO, Stuart’s roles included leading various areas of CoreFiling’s business including Professional Services, Sales Engineering and IT and providing an advisory role to a number of key clients such as the ATO, Deloitte, Companies House and FASB. Stuart also set up CoreFiling’s award-winning charitable giving scheme.

Stuart holds a Computer Science degree from Cambridge University and has also undertaken executive education at the Saïd Business School, Oxford University.


Mark Goodhand, Head of Research

Mark is a passionate supporter of open standards and open data, with 15 years' experience with XML, XBRL and related technologies. He loves automation, and hates it when humans have to do work that isn't befitting of human beings. Mark is an author of several XBRL specifications, Chairman of's Spec Working Group and a principal contributor to the Open Information Model effort. Mark holds an Honours BMath in Computer Science from the University of Waterloo (Ontario, Canada)


David Boylan, VP Sales and Alliances, EMEA & USA

David is responsible for our Sales, Alliances, Marketing and Sales Operation functions. As a member of the Executive team, he provides strategic direction for the vision of the organisation and implements business change. He has provided executive business sponsorship to Government, Financial and regulatory institutions within complex XBRL reporting, and taxonomy projects to key clients such as HMRC, and ADGM.

He joined CoreFiling in 2010, following business leadership roles in multinational organisations, including Oracle.


Catherine Long, Head of Sales

Catherine joined CoreFiling as Head of Sales in 2009. In this role, Catherine has global responsibility for our sales strategy and has built CoreFiling’s Australian operations from scratch. Prior to joining CoreFiling, Catherine was Business Development Manager for Australia and New Zealand at Integrated Research, an ASX-listed software development company.


Stephen White, Head of IT and Chief Architect

Combining practical experience of both development and IT operations, Stephen ensures that our product architecture and infrastructure teams work together towards common goals.  Whether it is a solution for a client or internal tooling, he's keen to see modern technology applied effectively and efficiently to deliver robust hosted and on-site applications.

Stephen has been administering Unix and Linux servers since 1999 and joined CoreFiling as a Software Developer in 2001.  He holds a MA in Computation (now Computer Science) from the University of Oxford.


Stelios Iosiphides, Group Financial Controller

Stelios is a fellow of the Institute of Chartered Accountants in England and Wales and has a Joint Honours BSc in Management Science and Electronics Engineering. His extensive experience of senior finance roles comes from the software, internet services, healthcare, pharmaceutical and retail sectors in UK, US and European organisations.