Jack Holt

Profile picture for user Jack Holt
Jack Holt is founder and CEO of Mattr. Mattr is easily accessible software that segments brands' social audience with personality analysis. Jack founded S3 Matching Technologies in 2001; tens of thousands of users, including Hewlett-Packard, the New York Stock Exchange, Proctor & Gamble, and others, depend on these apps each day. Follow Jack on Twitter or Google+.