Dr. Sergey V. Dorozhkin (born in 1961, in Russia) got his MSc in chemical engineering with honors in 1984 from Moscow Institute of Chemical Technology, Russia, and his PhD in chemistry in 1992 from the Research Institute of Fertilizers, Moscow, Russia. From 1992 to 1994 he worked as a senior researcher at the same institute, and from 1994 to 1996 he worked as a biotechnologist at a Swiss-Russia joint venture. From 1996 to 2004 he held five postdoctoral positions in France, Portugal, Germany and Canada where he worked on various aspects of calcium orthophosphates. Currently he is a senior researcher at physics department of Moscow State University and Scientific and Educational Cluster MEDBIO, Immanuel Kant Baltic Federal University (both in Russia). Dr. Sergey V. Dorozhkin has authored more than 80 research papers, about 50 reviews, 35 book chapters and 5 monographs. Specialties: apatite, calcium phosphates, bioceramics, biomaterials, bone grafts, fertilizers. ORCID: 0000-0002-8439-9527