David O, based in Toronto, Ontario, Canada, is currently a CEO at CarbonFree Technology, bringing experience from previous roles at Carbonfree Technology, Opg Ventures, Bmo Nesbitt Burns and Paribas Asia Equity. David O holds a 1987 - 1989 Master of Business Administration in Business @ King's University College. David O has 2 emails and 1 mobile phone number on RocketReach.