Prior to joining Confluence Engineering Group (Confluence) in November 2018, Virpi worked at the Washington State Department of Health (DOH) as a regional engineer for 11 years. Virpi administered the federal and Washington State specific drinking water regulations in assigned geographic areas that included inspecting public water systems, providing technical assistance to utilities and stakeholders (such as local health jurisdictions), reviewing and approving projects and water system plans for adequate capacity and regulatory compliance, assisting in public health emergencies, responding to public and customer inquiries. She has inspected approximately 150 water systems in western Washington. In addition to her role as a Regional Engineer at DOH, she was the Lead and Copper Rule (LCR) specialist while in the Southwest region, and regional lead for the Arsenic Treatment Optimization Program (ATOP) while in the Northwest region at DOH. She completed graduate school at the University of Washington in Seattle, and post-graduate school at Tampere University of Technology in Finland. She has worked as a research engineer and research assistant for a biomining research project and as an assistant in academic research projects related to screening and enriching microbes for medical purposes. She has years of laboratory experience ranging from every day testing at a wastewater treatment plant to applied molecular microbiology and clinical research.