Dr Drozdstoy Stoyanov received his MD from the Medical University of Sofia, Bulgaria, in 2002. He presented a PhD thesis in the field of theory and methodology of neuroscience in 2005, and was certified in 2007 by the Government Specialty Board with the rank of Psychiatrist. He was awarded a postgraduate certificate in the philosophy of mental health from the University of Central Lancashire, UK, in 2010.
Drozdstoy was tenured as an Associate Professor at the Medical University of Plovdiv, Bulgaria, in 2008 and held the position of Vice Dean for International Affairs of the university's Faculty of Public Health from 2009 to 2011. In 2011 he moved to the Department of Psychiatry and Medical Psychology in the Faculty of Medicine, and was appointed as Special Advisor Strategic Partnerships to the Vice Rector. He was promoted to the positoin of Full Professor in 2013.
He has published more than 160 scholarly papers, including five monographs and three textbooks. He was invited at the discretion of the Chair to the Philosophy Special Interest Group of the Royal College of Psychiatrists in 2007, and was appointed Vice Chair and member of its Executive Committee in 2012. He has also been the Chair of the conceptual group in the Global Network for Diagnosis and Classification, launched by the World Psychiatric Association (2008).
Drozdstoy has held a number of other positions including Visiting Fellow in the Center for Philosophy of Science at the University of Pittsburgh, USA (2009), Project Partner at the Collaborating Center for Values-Based Practice in Health and Social Care, St. Catherine's College, University of Oxford (2015), and Visiting Lecturer at the Universities of Basel, Copenhagen, and Vienna.
He has been Vice President (since 2014) of the European Society for Person Centered Healthcare, Vice President (since 2016) of the Bulgarian Academy of Sciences and Arts. He is the Associate Editor of the European Journal of Person Centered Health Care, and an editorial board member of Frontiers in Psychiatry, Dialogues in Philosophy, Mental and Neurosciences, the International Journal for Person Centered Medicine, Folia Medica and others. He is an ad hoc reviewer in journals including the Journal for Philosophy, Ethics and Humanities in Medicine, Current Medicinal Chemistry, Molecular Neurobiology, History of Psychiatry, Acta Medico-Historica Adriatica.