 From 1999-2007, Plank was a professor of Earth Sciences at Boston University (Associate Professor from 1999-2005 and Professor from 2005-2007).Since 2008, Plank has been at Columbia University in New York, New York, appointed as an Arthur D. Storke Memorial Professor in their Earth and Environmental Science Department.Throughout the years, Plank held two (2) visiting Professor titles over summers in France