there was a thread on cbts about Rizvi Traverse but it is not visible anymore and not visible in the archives of that board either.
valleywag.gawker.com/twitters-biggest-money-winner-doesnt-want-you-to-see-hi-1446535230
.Rizvi's investment vehicle, Rizvi Traverse, owns a whopping 18% of the company, adding to a storied financial history that includes the "Twilight" movies and the privatization of Playboy, among other ventures. Given that Williams' stake was recently valued at around $1.5 billion, it goes without saying that Rizvi and his pals will make one hell of a lot of money—that includes sympathetic, struggling investment beneficiaries like Saudi Prince Alwaleed.
Suhail Rizvi
www.riazhaq.com/2013/11/big-pay-day-for-twitter-investor-suhail.html