Drozdstoj (Drossi) Stoyanov received his M.D. from the Medical University of Sofia in 2002. He presented a Ph.D. thesis in the field of theory and methodology in neuroscience in 2005. He was certified in December 2007 by the Government Specialty Board with the rank of Psychiatrist and awarded a Postgraduate Certificate in Philosophy of Mental Health from the University of Central Lancashire, United Kingdom, in October 2010. Dr. Stoyanov was tenured as Associate Professor in the Medical University of Plovdiv in 2008 and promoted to the academic position of Full Professor in 2014. He is the Head of the Department of Psychiatry and Medical Psychology and the Scientific Secretary of the Research Institute at the Medical University of Plovdiv. Prof. Stoyanov was invited at the discretion of the Chair into the Philosophy Special Interest Group of the Royal College of Psychiatrists in 2007; appointed Vice Chair and member of its Executive Committee in 2012; appointed Chair of the Conceptual group in the Global Network for Diagnosis and Classification launched by the World Psychiatric Association (2008). He is a Visiting Fellow at the University of Pittsburgh. He is also a Distinguished International Fellow at the American Psychiatric Association and a member of the Standing Committee on Training at the Section of Psychiatry and the European Union of Medical Specialists.