In this obituary paper, we want to commemorate our dear colleague Professor Petr V. Morozov, who passed away on 17th July 2022. The death of professor Morozov is a great loss for the professional community. He was a world famous expert in psychiatry and held numerous top positions in professional associations: Secretary General of the World Psychiatric Association (WPA), vice-President of the Russian Society of Psychiatrists, an ECNP ambassador in Russia, an expert of the Council of Europe, a member of the Council of the European Psychiatric Association, a curator of the WPA-Servier Academy for young scientists, to name but a few recent positions.