Er. Nabin Tiwari is the Deputy General Secretary of SOPHEN’s current Executive Committee (EC) and a professional in the WASH sector. He is a Senior Engineer at the Kathmandu Valley Water Supply Management Board (KVWSMB) in the Training and Research Department. He holds an MBA from Stevens-Henager College, Utah, USA, and an M.Sc. in Construction Management from Nepal Engineering College, Pokhara University. With over 10 years of experience in the water supply and sanitation sector, he has made significant contributions to the field. His expertise lies in water supply and sanitation, and he is deeply involved in advancing sustainable solutions for water and sanitation challenges in the Kathmandu Valley.