Timo Vasko was born in Nokia, Finland, in 1948. He studied Theology at the University of Helsinki. In 1974 he was ordinated in the Evangelical Lutheran Church of Finland. From 1978 to 1981 he worked for the Evangeliumsdienst in Bavaria, Germany, and from 1981 to 1984 as a Wissenschaftlicher Assistent at the University of Erlangen. In 1985 he obtained a Ph.D. in Theology in Helsinki. Since 1987 he has been an Associate Secretary for Missiology in the Church Administration, Office for Global Mission and a Dozent in Missiology at the University of Helsinki since 1999.