My understanding was SocialCam and Twitch.TV were both built under Justin.TV. Only later was Twitch.TV spun out. Not sure SocialCam was ever a separate company. Anyone with better knowledge can chime in
Michael was a super nice guy and should be considered a great example here. I always appreciated him bringing beer to the dinners personally though I remember the group office hours with him and his great insights into problems or struggles we were having just as fondly.