Ruth Lynn Deech Baroness Deech DBE (née Fraenkel; born 29 April 1943 Clapham London) is a British academic lawyer and bioethicist most noted for chairing the Human Fertilisation and Embryology Authority (HFEA) from 1994 to 2002 and as the former Principal of St Anne's College Oxford. Lady Deech sits as a Crossbench peer in the House of Lords (2005-) and Chairs the Bar Standards Board (2009-).