Justin Kan is co-founder and CEO of Atrium, a technology company and corporate law firm that serves startups.Justin is also a Quartz Pro, where he joins other top business thinkers and doers who regularly contribute takes on the news as part of the growing Quartz Pro membership community.Previously, Justin founded companies including Kiko (the first AJAX web calendar); Justin.tv (which later became Twitch, a video game streaming platform acquired by Amazon in 2014); Socialcam (a mobile video-sharing app acquired for by Autodesk in 2012); and Exec (an on-demand maid service acquired by Handybook in 2014).After encountering countless legal frustrations as a serial founder and investor, Justin set out to create something new in the legal space by removing opaque barriers and focusing on efficiency and transparency in the client-attorney relationship.