Donatella Marazziti graduated in 1981 with an honors degree in Medicine, and qualified as a specialist in Psychiatry in 1985 and a specialist in Biochemistry in 1990. Currently, she is a Professor of Psychiatry at the “Dipartimento di Medicina Clinica e Sperimentale”, Department of Psychiatry at the University of Pisa (Italy), and is also a Professor of Clinical Psychology at the University of Pisa and Saint Camillus University of Health Sciences (Rome, Italy). She is a member of several international and national scientific societies and committees, including, amongst others, the WPA section for OCD, the International Council for OCD, the Educational Committee of the ECNP, and the Education and Award Committees of CINP, with multiple different affiliations. She is Co-Editor-in-Chief of CNS Spectrums, Funding Editor of Clinical Neuropsychiatry, Country Editor of Current Medicinal Chemistry, and a member of the Editorial Board of World Journal of Biological Psychiatry, Life and Annals of Psychiatry. She also serves as a reviewer of projects of different European and non-European research agencies. She has participated actively in hundreds of meetings, seminars, and teaching activities. Her research interests are focused on biological markers in psychiatric and normal conditions, emotions, attachment, psychopharmacology, and clinical psychiatry.