Daniel Somerfield has over 15 years experience developing software for retail sales, corporate communications, enterprise development, and IT security and compliance. In 1997 he co-founded ISNetworks, a company specializing in digital signature and encryption technologies. While running ISNetworks, he and business partner Jess Garms co-wrote several articles and “Professional Java Security” published by Wrox Press.

He currently lives in San Francisco, working as a consultant at ThoughtWorks, where he spends a lot of time thinking about how to help companies be productive, efficient, and secure.