Tom was appointed as chairman in April 2015 for a period of two years. At the end of March 2017, Tom was re-appointed for a further year to the end of March 2018.
He was formerly chairman of West Middlesex University Hospital NHS Trust and before that deputy chairman of Ealing, Hammersmith and Hounslow Health Authority.
He has served on west London NHS boards since 1985.
Tom receives a remuneration of £35,000 per year for his work at the trust.