Qatari Emir Sheikh Tamim bin Hamad Al Thani met here today with GCC Secretary General Dr. Abdullatif bin Rashid Al-Zayani. During the meeting, they discussed a range of topics pertaining to joint cooperation with GCC member states. The Secretary General briefed the Emir on the ongoing preparations for the 15th consultative meeting of the GCC leaders which will be held in the Kingdom of Saudi Arabia, Qatar News Agency (QNA) reported.