Warner joined The Water Institute in August 2021, as Research Specialist (Humanitarian), exploring areas of water quality and supply, sanitation, and hygiene in the humanitarian sector and FCV (fragile, conflict, violence countries) settings. Additionally, since its inception in 2015, Warner has been an instructor on the new mixed Masters course: Environmental Crisis Management (ENVR 989), at the UNC Gillings School of Global Public Health & Environmental Sciences & Engineering.