Diop began his diplomatic career in 2000 as an intern at the Permanent Mission of Senegal to the United Nations in Geneva.[1]
On January 10, 2020, he presented his credentials to President of Poland Andrzej Duda.[2] That same year, he was appointed Ambassador Extraordinary and Plenipotentiary of Senegal to Poland.[3][4] Since September 1, 2021, Diop has been the Ambassador Extraordinary and Plenipotentiary of Senegal to the Czech Republic on a part-time basis.[5][6] That same day, he received the same title to become the Senegalese ambassador to Ukraine.[7] In December 2021, he presented his credentials to Ukrainian president Volodymyr Zelenskyy.[8] On December 10, 2021, Diop attended the opening of the honorary consulate of Senegal in Ternopil.[9]
In 2022, Diop attended a conference about Ukrainian-African collaboration in the wake of the Russian invasion of Ukraine hosted by Western Ukrainian National University.[10]