Sir Simon Charles Wessely (born 23 December 1956) is a British psychiatrist. He is Regius Professor of Psychiatry at the Institute of Psychiatry, King's College London and head of its department of psychological medicine, vice dean for academic psychiatry, teaching and training at the Institute of Psychiatry, as well as Director of the King's Centre for Military Health Research. He is also honorary consultant psychiatrist at King's College Hospital and the Maudsley Hospital, as well as civilian consultant advisor in psychiatry to the British Army. He was knighted in the 2013 New Year Honours for services to military healthcare and to psychological medicine. From 2014 to 2017, he was the elected president of the Royal College of Psychiatrists and then became the first psychiatrist to be elected as President of the Royal Society of Medicine in 200 years. He became Britain's first and only Regius Professor of Psychiatry in 2018, and joined the board of NHS-England in 2023. Source: Wikipedia (en)