Torontonians who are making a killing in the tech sector She created an Uber-like on-demand swim lesson service
Torontonians who are making a killing in the tech sector He created a loyalty program for the iPhone era
Torontonians who are making a killing in the tech sector His company makes the world's most energy-efficient light bulb
Torontonians who are making a killing in the tech sector The people behind some of the city's buzziest apps