 He served as the president of the Bethlehem and Bridewell Hospitals from 1669 until his death.He was a director of the East India Company for several years (1670–1, 1684–5, 1687–8, 1690–1).He devoted much of his fortune to establishing a hospital in his home village of Kirkleatham in 1676, known as Sir William Turner's Hospital (or Almshouses) and now an independent retirement home.