The main research theme of his work is to examine the problem of large-scale forensics investigations from all sides, including better algorithms and data structures, performance-centric forensic tool and infrastructure design, usability, and visualization. He is a member of the Editorial Board of the Journal of Digital Investigation and is a co-founder of DFRWS.org. Dr. Roussev has over 20 peer reviewed publications in the field of digital forensics, including books chapters, journal and magazine articles, and conference papers. Wietse Venema, Ph.D.Software Engineer, Google