Bishop Kozon was born on 17 November 1951 in Soendre Taastrup, Denmark, and studied theology and philosophy in Rome. On 6 January 1979, he was ordained a priest and consecrated bishop on 7 May 1995. Since 2015 Bishop Kozon has been President of the Scandinavian Bishops’ Conference.
Since 2007 he is the COMECE Bishop Delegate from the Episcopates of the Kingdom of Denmark, the Kingdom of Sweden, and the Republic of Finland. In March 2023, he was elected Vice-President of COMECE.