Plant virologist and vector entomologist with seven years experience, particularly on molecular variability of geminiviruses and whiteflies. Expertise in: molecular diagnosis of insects and plant diseases; DNA/RNA isolation; virus cloning and sequencing; phylogenetic analyses; fingerprinting techniques; and meristem culture of cassava. Special interest in the construction of hybrid virus clones to understand viral gene functions and virus-vector co-evolution in causing plant disease epidemics. Experience in Tanzania and Bangladesh.