Elvira Morrison and Tim

How we are governed


Sparks is governed by a Board of Trustees who are ultimately responsible for the vision, mission and strategic direction of the charity. They are a group of experienced professionals bringing together knowledge from different sectors to take Sparks forward. They help to ensure that the right decisions are made to improve the quality of life for children affected by a medical condition.

Our trustees

Ms Margaret Ewing

Margaret EwingMargaret was appointed as a Trustee on 1 February 2017, following the integration with Great Ormond Street Hospital Charity. She was a corporate finance partner with professional services firm Deloitte LLP for 13 years, then spent seven years as a CFO, initially with Trinity Mirror plc and subsequently BAA plc, returning to Deloitte in 2007 as Vice Chairman and retiring as a Managing Partner in 2012.

Margaret has also served as a Non Executive Director and member of the Audit Committee of Standard Chartered plc, Whitbread plc and the CBI (chairing the Audit Committee of the latter two companies), External Member of the Audit and Risk Committee of John Lewis Partnership plc; and member of the FRC’s Financial Reporting Review Panel.

Mr Mark Sartori

Mark ArtoriMark was appointed as a Trustee on 1 February 2017, following the integration with Great Ormond Street Hospital Charity.

He has just retired from a career in Capital Markets where he worked in European Equities for Credit Suisse and Morgan Stanley. He was Co CEO at Fox-Pitt Kelton, the global financial investment bank which the management team bought from Suisse Re and re-built before selling to Macquarie. Mark’s last role in Capital Markets was building a European Equities business at the Royal Bank of Canada.  Mark is also a consultant and executive coach.

Stephen Holgate CBE

Stephen Holgate CBEWas appointed as a Trustee in January 2018 and is Chair of Trustees. Stephen is Medical Research Council Clinical Professor at the University of Southampton with an interest asthma and allergy. He is a special advisor to the Royal College of Physicians (RCP) on Air Quality and cofounded Synairgen, a company dedicated to respiratory drug discovery.

He was Chair of Great Ormond Street Hospital Children’s Charity (GOSH Charity) research assessment panel for five years and chairs the GOSH Charity research strategy advisory panel. He has been president of a number of respiratory and allergy professional bodies and chaired a number of Medical Research Council (MRC) Committees. Stephen has chaired a number of government committees on pollution and the health and life sciences panel of the UK research excellence framework 2014.

He has honorary degrees from the University of Ferrara, Krakow, Naples, and Exeter. He was a founder member of the Academy of Medical Sciences, served on its council and is founder chair of the clinical and veterinary section of the Academia Europaea.