He was ordained priest on 3 October 1973 by Archbishop Alfred Tooming and was appointed pastor of the congregations in Lüganuse and Kiviõli.

Archbishop Kuno Pajula consecrated him bishop on 12 December 1992 in St. Mary's Cathedral, Tallinn.

On 22 January 1993 he was elected President of the Estonian Council of Churches, and he held this position for 20 years.

He also represented the Estonian Evangelical Lutheran Church in assemblies and conferences of international ecumenical organisations.

Bishop Soone's work has been highly recognised by the Church and many state and social institutions.