The new American co-chairman of the OSCE Minsk group will take up duties not earlier than June 27th. On this day he will be introduced to the OSCE Secretariat in Vienna. It is noteworthy that on Thursday it was officially confirmed that the U.S. State Department appointed Mathew Bryza a representative of Minsk group. Previously, Mathew Bryza occupied the post of the deputy assistant of the State Secretary for Europe and Eurasia.