Vice President Osinbajo is currently the head of state of the Federal Republic of Nigeria even as his boss, Muhammad Buhari is currently on a short leave.
According to a statement from his office:
President Muhammadu Buhari has begun a short vacation from today, February 5 to February 10, 2016.
While President Buhari is on vacation, the Vice President, Prof. Yemi Osinbajo will perform the functions of the President.
In compliance with Section 145 (1) of the Nigerian Constitution, President Buhari has dispatched a formal notice of his vacation to the Senate President and the Speaker of the House of Representatives.