Keynote by Simon Vallee at Product Hunt Toronto's 1 Year Anniversary Event. Simon Vallee is an entrepreneur and product enthusiast. He currently works at Slack, which he joined when Slack acquired his latest startup, Spaces. Before that, he co-founded OpenCal, acquired by Groupon in 2011 and Sitemasher, acquired by Salesforce in 2010. He holds an engineering degree from Polytechnique of Montreal.