• 2012-             Assistant Professor, Dept. Geology & Geography, West Virginia University
• 2010-2011    Postdoctoral Research Associate, Dept. Earth and Environmental Sciences, Lehigh University, PA
• 2008-2010    Postdoctoral Research Associate, Center for Sustainability and the Global Environment (SAGE), University of Wisconsin-Madison
• 2003-2007    Graduate Research Assistant, Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado-Boulder
• 1998-2001    Army Officer, 5th Corps Artillery Brigade, Republic of Korea Army