• Adjunct Assistant Professor, Senior Plant Pathologist, Lead Scientist, USDA-APHIS-PPQ
  • Adjunct Assistant Professor,
  • Executive Director
  • West African Virus Epidemiology (WAVE) for Food Security
  • Université Felix Houphouët-Boigny
  • Adjunct Full Professor,
  • Deputy Dean
  • Faculty of Natural and Agricultural Science
  • University of Pretoria