 From March 1744 to 1770 he held a fellowship at St. John's, and down to 1768 he discharged college duties.In 1757 Ross was appointed to the preachership at the Rolls Chapel, although Richard Hurd was a competitor and received the support of William Warburton and Charles Yorke, and in the same year became a king's chaplain.He was elected Fellow of the Royal Society on 23 February 1758.