Vassil is a Professor of Computer Science and the Director of the Greater New Orleans Center for Information Assurance (GNOCIA) at the University of New Orleans. 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. He has over 50 peers reviewed publications in the field of digital forensics and cybersecurity, including an authored book.