The 2012-2013 William L. Fisher Congressional Geosciences Fellow is Anna Henderson. She worked on energy policy in the office of Senator Al Franken. Anna recently completed a postdoctoral fellowship using molecular fossils and compound specific isotopes to investigate the emergence of grassland ecosystems in Earth history.  In 2010 she completed a PhD in Geology from University of Minnesota focused on water resources and changes in seasonality of precipitation over the last 10,000 years in North America.  Anna has an undergraduate degree in Geology-Biology from Brown University.