David cu project zohkhenhnak, data hlathlaitu le hlathlainak zohkhenhnak rian ah kum 25 leng hmuhtonnak a ngei. David thazaang cu project-based hruainak riantuannak ah a si i, biakhiahnak a tuahtu hna caah theihhngalhnak a pemi project suai le tuahsernak caah client le chunglei riantuan hawi hna he naihniam tein rian a ttuan. Data thlennak, fianternak le langhternak tibantuk thiamnak phunphun ah ruahnak a cheuh hna.
David cu March 2022 ah Social Research Center ah a lut i kum tampi chung hlathlainak nganpi le ad hoc hlathlainak project hme deuh pawl a hruai hna. Social Research Centre ah a luh hlanah, Evolved Group ah a donghnak tiang client pehtlaihnak le project zohkhenhnak ah rian a ttuanmi a si, hlathlainak suaisamnak le fieldwork in, hlathlainak le hmuhnak langhternak tiang. Hmuhchuahnak caah a si lomi Allied Ngandamnak a petu hna le Local Cozah in chawlehnak lei a bawmchantu hna tiang a bawmtu hna cu an i dang. Roy Morgan ah cun Telecommunications le Direct Mailing industry ah account zohkhenhtu phu pakhat kha hruainak rian phunphun ah a hruai hna i cu ahcun hlathlainak a donghnak tiang zohkhenhnak le hmuhmi langhternak aa telmi client pehtlaihnak ah a biapi in a chiah. David nih Singapore ah kum 10 a hman, cu chung ah kum thum cu ACNielsen he Fast Moving Consumer Goods thilri barcode scan data hmangin theihhngalhnak le pehtlaihnak tthanchonak pek dingin client account riantuantu phu pakhat a hruai hna. Cun, David nih ITP, H&R Block le Australia Post ah hruaitu rian a ttuan cang.