 Salmi became a Licentiate of Theology at the University of Helsinki in 1983, where he continued his studies and completed his doctoral thesis in 1990 with his dissertation "One Lord, One Faith, One Baptism".The synod dissertation in the diocese of Oulu was born in 1984 on "The Baptism Key to the Unity of the Churches".He has been a fellow of the World Council of Churches in Geneva in 1976 and 1986.