Daniel S. Katz is Chief Scientist at the National Center for Supercomputing Applications (NCSA), Research Associate Professor in Computer Science, Electrical and Computer Engineering, and the School of Information Sciences (iSchool) at the University of Illinois Urbana-Champaign. He is also a Better Scientific Software (BSSw) Fellow. Dan's interest is in the development and use of advanced cyberinfrastructure to solve challenging problems at multiple scales. His technical research interests are in applications, algorithms, fault tolerance, and programming in parallel and distributed computing, including HPC, Grid, Cloud, etc. He is also interested in policy issues, including citation and credit mechanisms and practices associated with software and data, organization and community practices for collaboration, and career paths for computing researchers. He is a senior member of the IEEE and ACM and member of the Board of Governors of the IEEE Computer Society, a founding editor and current Associate Editor-in-Chief of the Journal of Open Source Software, a co-founder of the US Research Software Engineer Association (US-RSE), and a co-founder of the Research Software Alliance (ReSA).