No one is always present at meetings; I already tried to find a logic in how MBZ assembles his teams, but it's impossible, sometimes it seems random. If there is any logic, only he knows.
Look at the teams he built this month (no trips, all in Abu Dhabi)
20 Mar: President of Romania: Mansour, Hamdan Bin Mohamed, Mohamed Bin Hamad
19 Mar: President of Syria: Tahnoun, Mansour, Hamdan Bin Mohamed, Mohamed Bin Hamad
16 Mar: Iranian Security Chief: Tahnoun, Mansour, Hamdan Bin Mohamed, Mohamed Bin Hamad
15 Mar: President of North Macedonia: Hamdan Bin Mohamed, Mohamed Bin Hamad
11 Mar: President of Angola: Mohamed Bin Hamad, Shakhbout Bin Nahyan
09 Mar: President of Iraqi Kurdistan: Mohamed Bin Hamad
07 Mar: First Lady of Ukraine: Abdullah
07 Mar: President of Poland: Mohamed Bin Hamad
06 Mar: President of Mauritania: Hamdan Bin Mohamed
04 Mar: Prime Minister of Italy: Mansour, Abdullah, Khalid Bin Mohamed, Mohamed Bin Hamad
28 Feb: King of Malaysia: Majlis
26 Feb: King of Bahrain: Mohamed Bin Hamad
23 Feb: Prime Minister of Czech Republic: Mansour, Abdullah, Zayed Bin Hamdan Bin Zayed
22 Feb: Indonesian Defence Minister: Majlis
22 Feb: Crown Prince of Bahrain: Majlis
22 Feb: President of Somalia: Hamdan Bin Mohamed, Mohamed Bin Hamad
15 Feb: Prime Minister of Libya: Mohamed Bin Hamad
14 Feb: Ruler of Sudan: Majlis
13 Feb: Leaders participating in the World Government Summit (WGS): Saif, Mansour, Mohamed Bin Hamad
12 Feb: President of Egypt: Majlis
11 Feb: Speaker of Turkmen Upper House: Mansour, Mohamed Bin Hamad
11 Feb: Chief of Staff of the Army of Pakistan: the participants were not disclosed
09 Feb: Prime Minister of Iraq: Hazza, Saif, Mansour, Abdullah, Hamdan Bin Mohamed, Mohamed Bin Hamad
08 Feb: King of Bahrain: Hamdan, Mansour, Mohamed Bin Hamad, Sultan Bin Hamdan Bin Zayed
03 Feb: President of Belarus: Hazza, Mansour, Hamdan Bin Mohamed, Mohamed Bin Hamad