Dr. Denis Alexander is the director of the Faraday Institute for Science and Religion at St Edmund’s College, Cambridge, a molecular biologist and an author on science and religion. He is also an editor of Science and Christian Belief. He is an evangelical Christian.

Alexander was an Open Scholar at Oxford, where he studied biochemistry. He studied for a PhD in Neurochemistry at the Institute of Psychiatry. He spent 15 years in various university departments and laboratories outside the United Kingdom, establishing the National Unit of Human Genetics while an Associate Professor of Biochemistry American University of Beirut, Lebanon.

He worked at the Imperial Cancer Research Laboratories in London and subsequently headed the Molecular Immunology Programme and the Laboratory of Lymphocyte Signalling and Development at the Babraham Institute, Cambridge.

Alexander has written on the subject of religion and science since at least 1972, when his book Beyond Science was reviewed by Hugh Montefiore, then Bishop of Kingston upon Thames in the New Scientist, in which Montefiore noted that Alexander never came out in that book explicitly in support of evolution.