Dan is Chief Scientist at the National Center for Supercomputing Applications (NCSA) and Research Associate Professor in Computer Science, Electrical and Computer Engineering, and the School of Information Sciences (iSchool), at the University of Illinois Urbana-Champaign. In past lives, he worked in other universities (Chicago, Louisiana State), government (NSF, JPL), and industry (Cray Research), all focusing on software in some aspect. He still does a bunch of things related to software in a variety of organizations and roles, mostly aimed at making software better and providing credit and recognition to its developers.