1) Geological Society of Washington
a. President (2010)
b. 1st. Vice-President (2009)
c. Program Chairman (2006)
d. Council Member (1999, 2000, 2006, 2007)
2) NSF Sedimentary Geology and Palentology
pane (2005 - 2007, 2009)
3) University of Maryland
a. Interdisciplinary Studies
b. Dean's Representative
4) Department of Geology
a. Geogram
http://www.geol.umd.edu/pages/Department/Geogram/geogram.htm