Raj holds a doctoral degree in Planning, Governance and Globalization from the school of Public and International Affairs at Virginia Tech, USA. In 2010, Raj received a Master of Science (MSc) degree in International Land and Water Management with a specialization in integrated water management from the Wageningen University, the Netherlands. His research focused on the socio-technical and political dimensions of  rural water infrastructures and local water management serving subsistence farming villages in under-developed countries.

Prior to Virginia Tech, Raj served as the Director of Water Resources and Engineering Program and a member of senior management for iDE Nepal, an international development organization headquartered in Denver, Colorado. In this role he led iDE Nepal’s efforts to reduce poverty through community-based water resource development. Raj has worked as a water resource and Rural Infrastructure Engineer for Rural Reconstruction Nepal (RRN), Program Officer for Swiss Agency for Development and Cooperation (SDC) and Water Resource Officer for Rural Village Water Resources Management Project (RVWRMP).

Raj has worked as a short-term international consultant, trainer and researcher in the U.S , Spain, Netherlands, Honduras, Cambodia, Italy,  Uganda, Senegal, Kenya, Bhutan, India and Nepal. He has been a speaker in several international conferences on rural development, multiple-use water services and rural water supply systems.