AVArika VirapongseFollowUsage metrics 0 0 0 Co-workers & collaboratorsERErin RobinsonFPFrancoise PearlmanJPJay PearlmanBWBrian WeeFounder and Managing Director - Washington, DCNHNancy HoebelheinrichDHDenise HillsDirector, Energy Investigations, Geological Survey of Alabama - Tuscaloosa, AL