CONSTANTIN CLAUDIU COTAN was born in 1967, in Tismana, Gorj County.
He attended the courses of the Theological Seminary in Craiova (1984-1989).
His theological training continued at the Faculty of Theology in Bucharest (1990-1993), where in 2001 he obtained the title of Doctor of Theology with the thesis: Ortodoxia si miscarile de emancipare nationala din sud-estul Europei in secolul al XIX-lea. (Orthodoxy and the national emancipation movements in Southeast Europe in the 19th century.)
Between 1991-1996 he attended the courses of the Faculty of History, University of Bucharest, where after defending his thesis: Biserica Ortodoxa Romana in timpul Primului Razboi Mondia (The Romanian Orthodox Church during the First World War), he obtained the title of Doctor of History.
Father Claudiu Cotan is an associate professor at the Faculty of Orthodox Theology in Constanta.
Among his most important works we mention: Ortodoxia si miscarile de emancipare nationala din sud-estul Europei in secolul al XIX-lea (Orthodoxy and national emancipation movements in southeastern Europe in the nineteenth century), Bizantina Publishing House, Bucharest, 2004; Istoria Bisericii Ortodoxe Romane, 1600-2000. Studiu introductiv (History of the Romanian Orthodox Church, 1600-2000. Introductory study), Vasiliana'98 Publishing House, Iasi, 2009; Biserica si Statul. Biserica Ortodoxa in secolul al XX-lea (Consideratii generale) (The Church and the State. Orthodox Church in the twentieth century (General considerations), Vasiliana'98 Publishing House, Iasi, 2009; O istorie a Bisericilor Ortodoxe Slave (History of the Slavic Orthodox Churches), Vasiliana'98 Publishing House, Iasi, 2009.