Education
Tveit holds a Master in Theology (Candidate Theologiea) from the Norwegian School of Theology/Menighetsfakultetet (NST/MF), Oslo, and a doctorate in theology from the NST/MF, 2002. His doctorate is titled "Mutual Accountability as Ecumenical Attitude".
Career
He entered office on 1 January 2010, for a proposed term of five years. Tveit is the youngest general secretary since Willem Visser "t Hooft, who had led the WCC while it was in process of formation and following its founding assembly in 1948.
Membership
Norwegian Christian Student and School Association]
He is also a member of the Inter-Faith Council of Norway and a member of the board of trustees of Norwegian Church Aid.