Barbara Jacquelyn Sahakian, Ph.D., is a professor of clinical neuropsychology at the University of Cambridge. She is based at the University of Cambridge Department of Psychiatry and Behavioural and Clinical Neuroscience Institute. Sahakian is also an honorary clinical psychologist at Addenbrooke’s Hospital and a fellow of Clare Hall, Cambridge. She is a fellow of the British Academy and the Academy of Medical Sciences. She was a member of the International Expert Jury for the 2017 Else Kröner-Fresenius-Stiftung Prize. She is a past president of the British Association for Psychopharmacology and of the International Neuroethics Society. Sahakian has an international reputation in the fields of psychopharmacology, neuropsychology, neuropsychiatry, neuroimaging, and neuroethics. She is best known for her work on problems of cognition and motivation in brain injury, "hot" and "cold" cognitive deficits in depression, and early detection and early treatment with cholinesterase inhibitors in Alzheimer’s disease. She has over 475 publications in high-impact scientific journals. The ISI Web of Science database credits her with a Hirsch (h) index of 130 and Google Scholar h-index of 143. Sahakian co-invented the neuropsychological CANTAB and EMOTICOM tests and the University of Cambridge/PEAK Advanced Training Programme and the Wizard Apprentice Memory Game. Sahakian has contributed to neuroscience and mental health policy, including the U.K. government Foresight Project on Mental Capital and Wellbeing (Beddington et al., 2008, Nature), the Strategy for Mental Health for the Medical Research Council (Sahakian et al., 2010, The Lancet), and the Grand Challenges in Global Mental Health (Collins et al., 2011, Nature). She was a member of the Institute of Medicine Planning Committee (USA) on Enabling Discovery, Development, and Translation of Treatments for Cognitive Dysfunction in Depression. She is on the Committee for the Strategy for Neuroscience and Mental Health for the Department of Health. In March 2017, she participated in the Global Council on Brain Health meeting in Washington, D.C. She has spoken at the World Economic Forum, Davos, 2014, and is a member of the WEF on the Future of Neurotechnologies and Brain Science. She is also on the clinical advisory board of the Human Brain Project. She is a member of the Wellcome Trust Science Innovation Translation Programme Advisory Group and the Wellcome’s Innovator Awards Advisory Group. She is a member of the Irish Research Council Laureate Awards Committee.