Indiana University Department of Geology

Associate Editor, Geochimica et Cosmochimica Acta, 2005-
Associate Editor, Ground Water, 2003-2005
Associate Editor, Journal of Contaminant Hydrology, 2002-2006; 2008 - 2011

Member, proposal review panel, National Science Foundation, 2006
Member, proposal review panel, Scientific Discovery through Advanced Computation, the Office of Advanced Scientific Computing Research, Department of Energy, 2006
Member, proposal review panel for Small Business Innovation Research, U.S. Environmental Protection Agency, 2003
Member, proposal review panel for establishing a hazardous mining waste research center, U.S. Environmental Protection Agency, 2001

Member, Owen Award Committee (2005-2006).
Member, Associate Instructor Assignment Committee (2005-2007).
Faculty meeting recorder (2004-2005).