You can only select people from your organisation, not external attendees. To select specific people send your invite first, then select the meeting options link.

Only me вЂ“ The egoistic choice but maybe the easiest.

You have to send the invite util you can select other presenters.

Specific people вЂ“ Select who should be a presenter.

People in my organization вЂ“ People in the same Office 365 tenant as you will be presenters when they join the meeting.

Everyone in the meeting will be a presenter when they join.

Everyone (default) вЂ“ This is the option that will be selected if you donвЂ™t change anything.

Here you can select who should be a presenter (Who can present?). It is after you sent away the meeting invite you can see Meeting Options in the meeting. When you schedule your meeting in Outlook you have the option вЂњMeeting OptionsвЂќ, click on that link while holding CTRL-button.ДЇrom Teams calendar you can also select Meeting options, but you have to send the meeting first.

Earlier you were only able to control who could bypass the lobby in Meeting Options, read more about it here. But now with a new feature you can select who should be a presenter and should be attendee, this is controlled from Meeting Options for your meeting. In larger meetings this can be a bit problematic. With the presenter role you can mute others kick them out from the meeting or take over the meeting and start presenting. In Teams meetings everybody are Presenters.

Meeting options available in Teams meetings.

Skype change presenter