She is a career diplomat. She was the first woman to be an ambassador of Benin and posted abroad. She is a Plenipotentiary Minister of Foreign Affairs. Before she became an ambassador, Vignikin held high responsibilities in the Ministry of Foreign Affairs, as well as serving in Benin's Diplomatic missions abroad. She was: Head of the Department of America, Minister Counselor and Chargé d'Affaires of the Embassy of Benin in the People's Republic of China and at the Benin's Embassy in France.
