We won't have to wait long to find out who the next PM will be. According to RTE, he (well it is the AKP so I think we're safe to say "he"

will be announced next Thursday, August 21st, a week before Gul is eligible to rejoin the party. The article below suggests Erdogan is acting unconstitutionally by continuing active membership of the AKP after being elected to the non-party Presidential position.