Kirk Nelson earned a PhD in Civil & Environmental Engineering from UC Davis in 2004 where his research focused on the subsurface transport of inorganic and biological colloids in groundwater with application to contaminant transport modeling and in situ bioremediation of groundwater. Dr. Nelson has been a Civil Engineer at the US Bureau of Reclamation in Sacramento since 2004 working on groundwater and land subsidence modeling, water transfer evaluations, and climate adaptation for water resources including managed aquifer recharge.