In order to ensure safe water and sanitation for all, it is necessary to invest in human capacity at the local level. Seeing this as important, Church World Services (CWS) Cambodia first engaged with Centre for Affordable Water and Sanitation Technology (CAWST) in 2008. In 2011, CWS and CAWST signed a collaboration agreement to establish the CWS WASH Training and Resource Centre. CAWST”s role was to develop the capacity of the CWS WASH TRC to deliver training and consulting services independent of CAWST. With solid experience and growth in capacity building, WASH TRC start transforms to be a pure local capacity building organization named WASH Skills Development Organization (WASH SDO). The WASH SDO was established to address the WASH capacity gap in Cambodia by offering training, consulting and advisory services, as well as supporting sector-wide learning and exchange. These activities has stimulate new organizations and entrepreneurs to plan, implement and monitor WASH initiatives, s