Justin Kan (born 1983) is an American Internet entrepreneur and investor. He is the co-founder of live video platforms
Justin.tv and
Twitch.tv, as well as the mobile social video application
Socialcam. He is a partner at venture capital firm
Y Combinator. His attempt to broadcast his entire life at Justin.tv popularized the term "
lifecasting". Kan also started a Reddit-style electronic music discovery platform, The Drop.