Mr. David currently serves as a Partner at KJPP Martokoesoemo, Pakpahan & Partners. Started his career as an appraiser since 2017 as an asset appraiser staff in an appraiser company and has also joined as a member of the Indonesian Appraisal Profession Society (MAPPI).

Graduated from the University of North Sumatra. Concentration in Property Management and Valuation, having previously obtained an SP degree from the Faculty of Agriculture, Department of Agribusiness, University of North Sumatra.