· Temp Hourly At SRI International, SRI2023–
· Principal Scientist, Cyber-Physical Systems Security, PARC, a Xerox Company2017–2023
· Principal Scientist, Theory And Technology For Agile Organizations, PARC2015–2017
· Principal Scientist, Learning, Inference And Data Solutions, PARC2013–2015
· Principal Scientist, Theory And Technology For Agile Organizations, PARC2012–2013
· Principal Scientist, Knowledge, Language, And Interaction, PARC2010–2012
· Research Manager, Human Information Interaction, Palo Alto Research Center (PARC)2007–2010
· Technical Lead, UbiDocs Project, Palo Alto Research Center (PARC)2007–2009