This or maybe they stipulated he had to clean up his act a little to join the board. Probably does not get as much leeway when he's not the founder of the company.

247bf84fda

My theory is SEC threatened him with fines or worse.  He deleted several tweets he made in past few days.

Second possibility is he’s preparing for a hostile takeover of Twitter

bitcoin

Elon not joining Twitter board after all - thoughts on why?

PlumSauce

My theory is SEC threatened him with fines or worse.  He deleted several tweets he made in past few days.  

Second possibility is he’s preparing for a hostile takeover of Twitter 