Roshan Shrestha Keywords capacity building education training knowledge products wastewater treatment wastewater management Read more about Roshan Shrestha Dr. Roshan Shrestha is the Deputy Director, Global Growth and Opportunity Division, Water, Sanitation and Hygiene (WSH) team of Bill & Melinda Gates Foundation. He also led the Urban Sanitation Market Initiative of the WSH that deals with scaling City Wide Inclusive Sanitation and Non-sewered Sanitation globally through demonstration, capacity building, advocacy as well as mobilizing resources from development banks and development partners.