Thiel's attendance at the RNC isn't too surprising, but him taking the stage to address the convention might be. He's one of the big names in Silicon Valley to pledge support for Trump. Shortly after Thiel was on a list of pledged delegates for Trump in California back in May, it was revealed that he was financing Hulk Hogan's lawsuit against Gawker. After co-founding PayPal, he went on fund companies like Airbnb and Facebook. Thiel was recently re-elected to the board of directors for Mark Zuckerberg's social network.

As The New York Times notes, Thursday is also the day the convention can debate proposals to change the party's rules. Changes could include allowing delegates to "vote their consciences" to formally select the nominee, rather than following the results of the primaries in their states as is usually required by a state's party rules. Needless to say, Thiel will be a part of a busy day in Cleveland.

Update: Facebook tells Recode that Thiel will be appearing the RNC "in his personal capacity." The company went on to say that the billionaire "is not attending on behalf of Facebook or to represent our views."

Update 2: Tim Tebow took to Instagram to let everyone know that he won't be on stage next week, so that list of speakers is far from final.