David S. muaj M.Sc. los ntawm University of British Columbia, Canada, thiab yog tus yau tshaj plaws thiab yog ib tus kws tshaj lij nrhiav cov kws qhia ntawv hauv University ua ntej koom nrog Reach Out. Nws tau luam tawm ntau yam hauj lwm nyob rau hauv scientific journals. Nws tau tsim cov ntaub ntawv kawm hauv Vancouver tau ntau xyoo thiab qhia SSAT, SAT, AP, IB, biology, chemistry, physics, cov chav kawm lej thiab science. Ntxiv rau lus Askiv, nws hais lus German, Swedish thiab Suav. Nws muaj kev lom zem thiab zoo siab qhia kev qhia thiab txhawb nws cov tub ntxhais kawm nrog nws txoj kev mob siab rau.