He has been a member of the Department of Economics since 2005. Sissoko received the People Award (2008) from the African American Cultural Center and served as a member of the board of directors of AACC for 10 years. He is the faculty advisor for both the Pan-African Student Association and the IUP Soccer Club and is a member of both the Pan-African Studies and the Asian Studies programs. His fields of interest are economic development, monetary economics, international economics, managerial economics, environmental economics, and time series econometrics. Sissoko teaches Principles of Macroeconomics, Principles of Microeconomics, Monetary Economics, Economic Development, and Poverty in Africa.