David S. o na le M.Sc. ho tsoa Univesithing ea British Columbia, Canada, mme e ne e le yena e monyenyane ebile e le e mong wa barupelli ba neng ba batloa haholo Univesithing pele a kenela Reach Out. O hatisitse mefuta e fapaneng ea mesebetsi likoranteng tsa saense. O qetile lilemo a ntse a nts'etsapele kharikhulamo Vancouver mme o ruta SSAT, SAT, AP, Ib, baeloji, k'hemistri, fisiks, lithuto tsa lipalo le saense. Ho phaella ho Senyesemane, o bua Sejeremane, Seswedishe le Sechaena. O na le mokhoa o monate oa ho ruta ebile o khothatsa baithuti ba hae ka tjantjello ea hae.