Wietse Venema is known for his software such as the TCP Wrapper and the POSTFIX mail system. He co-authored the SATAN network scanner and the Coroner's Toolkit (TCT) for forensic analysis, as well as a book on Forensic Discovery. Wietse received awards from the System Administrator's Guild (SAGE), the Netherlands UNIX User Group (NLUUG), as well as a Sendmail innovation award. He served a two-year term as chair of the international Forum  of Incident Response and Security Teams (FIRST). Wietse currently  is a research staff member at the IBM T. J. Watson research  center. After completing his Ph.D. in physics he changed career  to computer science and never looked back.