His Excellency, Mr. B.B. Hamman, is the Ambassador Extraordinary and Plenipotentiary of the Federal Republic of Nigeria to the Kingdoms of Sweden, Denmark, Norway, and the Republic of Finland.

The Ambassador who is resident in Stockholm arrived in Sweden on 23rd June 2021 and presented his Letter of Credence to the King of Sweden on 1st July 2021, in accordance with the current Special arrangement.

Ambassador Hamman has been a career diplomat in the Nigerian Foreign Service for the last 28 years. Until his appointment as the Ambassador to the Nordics, he was the Acting Head of Mission and Chargé D’Affaires in the Embassy / Permanent Mission of Nigeria in Vienna, Austria. He had also served in various capacities, in several Nigerian diplomatic posts abroad, including Embassy of Nigeria, Budapest, Hungary; Embassy of Nigeria, Luanda, Angola; High Commission of Nigeria, Accra, Ghana; Embassy of Nigeria, Rabat, Morocco, and the  Permanent Mission of Nigeria to the United Nations in Geneva, Switzerland.

While at Headquarters of the Ministry of Foreign Affairs in Abuja, Ambassador Hamman had worked under various bilateral and multilateral Departments in different capacities, including as Deputy Director Office of the Minister of Foreign Affairs, Africa Sub-regional Organisation Division, and as Director, Office of the Minister of State for Foreign Affairs.

Ambassador Hamman is married and has four Children