Colleen is a long time high school physics and mathematics teacher and Modeler from Sacramento, California who moved to Phoenix in 2001 to study Physics Education Research at ASU under the direction of David Hestenes. She completed her PhD in 2007 and after a one year post-doc with ASU’s Arts, Media and Engineering program in embodied and mediated learning, she accepted an appointment as assistant professor of science education. She landed an NSF grant in 2009 to create a middle school STEM Modeling MNS degree program modeled on ASU’s program for HS physics teachers. In 2011 she moved to a half-time research scientist position at ASU in order to take on the role of AMTA’s Executive Officer She retired from ASU in 2014 to devote her fully attention to AMTA. In 2016, Colleen ‘handed over the reigns’ to Jeff Hengesbach, and continues supporting AMTA as Research Fellow.