Stig Regli worked as a civil servant for 40 years with the USEPA as an engineer, regulation manager, and senior leader policy advisor developing regulations and policies to protect our Nation's drinking water. Prior to coming to EPA, Stig served as Peace Corps volunteer in Afghanistan. Early in his career he took two extended leaves from EPA to work for Africare in Somalia and as consultant for the U.S. Agency for International Development in Thailand. His interest in public health as it relates to drinking water began during his senior year at Duke University and was further prompted following graduation thru travels on bicycle in five continents, all beginning with the bicycle trip across the US described in this book. Stig has a BS in Mechanical Engineering (1972) and an MS in Civil Engineering (1976) from Duke University.