+ NASA Home + Ames Home + Sitemap + Staff Directory +Home COLUMBIA SUPERCOMPUTER + Scientific Projects + News MANAGEMENT BIOGRAPHIES Meet key managers in the NASA Advanced Supercomputing (NAS) Division. To see where they fit into the NAS organization, check our current org chart. Rupak Biswas, Division Chief (acting) Bryan Biegel, Deputy Division Chief (acting) & Research Branch Chief John Parks, Assistant Division Chief of Technical Engineering Ana Grady, Assistant Division Chief of Operations William Thigpen, Engineering Branch Chief + Feedback + Site Help + NASA Privacy Statement, Disclaimer, and Accessibility Certification Editor: Jill Dunbar Webmaster: John Hardman NASA Official: Rupak Biswas + Contact NAS Last Updated: March 20, 2008