Daga baya ya yi aiki a matsayin Babban Jami'in Ilimi da Babban Malami a fannin lissafi a Najeriya na tsawon shekaru 7.
Tabbas, mafi rikitarwa na jumla ita ce " Daga baya ya yi aiki a matsayin babban jami'in ilimi da babban malami a fannin lissafi a Najeriya na 'yan shekaru, kuma a matsayin malami a Majalisar Nazarin Ilimi da Horarwa ta Kasa (NCERT) a Indiya. "