Westphal was the co-founder and CEO of data-mining software company Visual Analytics before its sale to Raytheon Company in 2013. While at Visual Analytics he worked with federal and state/local law enforcement, all major intelligence agencies, the Department of Defense, civilian agencies, international Financial Intelligence Units (FIUs), and large corporations.
Their flagship platform, VisuaLinks, was used in Reveal, a data-mining system that the Internal Revenue Service began building in 2002 to better organize and share sensitive financial information. VisuaLinks was deployed to over 40 countries, primarily within government organizations supporting support law enforcement, intelligence activity, detecting fraud, or combating financial crimes and money laundering operations.
While at Visual Analytics, he garnered industry recognition and accolades, including Deloitte's Technology Fast 50 (Maryland), Maryland's International Leadership Award (2003), and Maryland Muscle Award, and was named a finalist for the Ernst and Young Maryland Entrepreneur of the Year (2003).
Mr Westphal is the Chief Analytics Officer at DataWalk, Inc. where he works on user-centric analytical products using advanced entity-based visualization.
Westphal authored several books, including:
Westphal (2008). Data Mining for Intelligence, Fraud & Criminal Detection: Advanced Analytics & Information Sharing Technologies. CRC Press.
Westphal; Blaxton, Wiley (1998). Data Mining Solutions: Methods and Tools for Solving Real World Problems.
McGraw; Westphal (1990). Readings in Knowledge Acquisition: Current Practices and Trends. Ellis Horwood.
He also authored chapters in:
Ladner; Petry (2005). Net-Centric Approaches to Intelligence and National Security. Springer.
Moore (2014). Encyclopedia of U.S. Intelligence - Two Volume Set (Print Version). Auerbach Publications.
DataWalk, 2017–present: Chief Analytics Officer, Board Member.
analysis365.com, 2016–present: Founder.
Raytheon Company, 2013-2016 - Vice President, Analytics.
Visual Analytics, 1998-2013 : Co-founder, CEO.
United Information Systems, 1996-1998 : Director, Advanced Analytics.
Alta Analytics, 1991-1995: Manager - Customer Applications.
Syscon Corporation, 1990-1991. Senior Systems Engineer.
Institute for Defense Analyses 1989-1990. Research Staff Member.
BDM Corporation, 1986-1989. Staff Member.
Integrated Justice Information Systems(IJIS) Institute - Emerging Technology Committee 2009-2011