TECH 50 2015
These are the people to call if you're trying to get an idea off the ground-and watch to figure out where the next big thing is coming from. They're also the ones who are tackling the hard stuff, building the next wave of tech companies and talent. To read more, go to ChicagoBusiness.com/tech50.
CEOS & FOUNDERS
DICK BURKE CEO, VisaNow, Chicago
MARK FIELDS CEO, Wickr, San Francisco
STUART FRANKEL Co-founder and CEO, Narrative Science, Chicago
DARREN GUCCIONE Co-found...