Dynamic Solutions-International, LLC, doing business as DSI, is an engineering, planning, research, and software development company founded in the USA in 1999. DSI’s headquarters is in Edmonds, Washington. DSI’s first representative office was established in Hanoi, Vietnam, in 2002 to provide the international/national development agencies and international companies with focused and experienced technical and management support. DSI understands how critical water and environmental policy/practice is to sustainable development and therefore assists in the development of integrated water/ environmental policy, regulation and capacity building internationally. Through our integrated approach, DSI assists our clients in evaluation of project risks, potential impacts and the likelihood of successful and sustainable implementation. We offer training programs, seminars, and workshops to assist our clients and partners in developing new skills related to the DSI-developed programs and software (EFDC_Explorer and CVL Grid).