Sarr spent ten years at the International Finance Corporation, a member institution of the World Bank Group, prior to joining the United Nations.
She also worked as a Senior Auditor with Ernst & Young Senegal.
In 2017, she was invited by Vital Voices to join the Global Ambassadors Program as a mentor for women entrepreneurs around the world.
She recently joined 75 African women as the founding member of Women Investment Club of Senegal which was set up in 2016 to provide long-term capital to women entrepreneurs in Senegal.
Sarr is the Jury President of the Cartier Women's Initiative Awards business plan competition for Sub Saharan Africa