Rupiah Banda served as President of Zambia from 2008 to 2011. He took office after the death of President Levy Mwanawasa and won the subsequent election. The other options - Dawda Jawara (The Gambia), Isatou Njie-Saidy (Gambian politician), and Levy (refers to Levy Mwanawasa) - are not related to the Zambian presidency.