Thomas Michael Dexter FRS (born 15 May 1945) is a British haematologist, and Director of the Wellcome Trust, from 1998 to 2003.[1]
He was visiting fellow at the Memorial Sloan–Kettering Cancer Center. He was professor of haematology at the University of Manchester from 1985 to 1998.[2] He was director of the the Paterson Institute for Cancer Research.[3]