Hans is senior digital forensics scientist at the Netherlands Forensic Institute and a part-time professor Digital Forensics & E-Discovery at the University of Applied Sciences Leiden. He is chairman of the Board of Directors of DFRWS. Hans received his M.Sc. in Computer Science from Delft University of Technology and holds a Ph.D. on Artificial Neural Networks from the University of Maastricht. In 1992 he founded the department of forensic computer science at the Netherlands Forensic science Institute (NFI) and in 1996 he was vice chairman of the International Organisation on Computer Evidence (IOCE). From 2000-2006 he was CTO at ZyLAB and responsible for ZyLAB’s E-Discovery software suite devops, support and services. From 2006-2010 Hans was director of Forensic Technology Solutions at PwC and was leading the PwC Eurofirms Forensic Technology Solutions practice. He managed large scale multi-national E-Discovery projects including data collection, email review and financial data analysis. From 2010-2014 he was partner and senior E-Discovery consultant at Fox IT. Besides E-Discovery projects he also led the development of Tracks Inspector. Tracks Inspector separated from Fox-IT after a management buy-out in 2014 where Hans was CEO and co-founder until the acquisition by Magnet Forensics in 2018 where he was Director of Digital Evidence Review until March 2020.