Our team

The Foundation has four trustees – David Aspinall (Chairman), Professor Carole Longson, Sara Siegel Poulios and Dr David Stables – and is supported by a small team of two. Michelle Wright is our grant manager and Susan Perry supports the trustees on governance and the day-to-day administration of the charity. Profiles of the team are below..

David Aspinall

Chair of Trustees

David Aspinall has been Chairman of the Peter Sowerby Foundation since its establishment in 2011. David spent his career in personal financial planning and wealth management having founded the advisory firm, Aspinalls, prior to which he was professional musician. Past trusteeships have included Sound and Music, SPNM and the National Youth Choirs of Great Britain and David continues to act as executor and trustee to many Aspinalls clients, their trusts and charities.

Sara Siegel Poulios


Sara is a lead partner in Deloitte’s Healthcare practice in the UK and has worked with the NHS and the Department of Health for the last sixteen years. Sara has worked on major areas of health policy starting with out of Hospital care through support to the White Paper, ‘Our health, our care, our say’.  She then went on to work on FT Assessments, commissioning, seven day services, devolution, population health, regional clinical change programmes and digital transformation.  Sara also advises health insurers and private health companies.

Carole Longson


Carole is a respected leader in health technology assessment with considerable achievements in research, public and private sectors.  She has unparalleled insight into the fast-evolving health technology innovation pipeline having pioneered NICE’s health technology evaluation programmes.

Dr. David Stables


David has over 35 years' experience in healthcare IT. Having qualified in Medicine at Dundee University in 1981, he entered general practice in 1984 at Egton Surgery in North Yorkshire working as a Partner in that practice alongside Dr Peter Sowerby. Together they developed the patient records management software that subsequently formed the basis of the business of EMIS. He was appointed Medical Director of EMIS in 1987 and went on to lead the EMIS software development team with responsibility for software requirements, design, technology and clinical assurance until 2011.

Michelle Wright

Grants Advisor

Michelle trained at the Guildhall School of Music & Drama and played the violin professionally before moving into the charity sector. She has supported the Peter Sowerby Foundation in grant design and management since 2012.