Internal Communication Flyer/htmlised mailer

We would like to send an impressive internal communication to employees for inviting them to join the Townhall meeting with the leadership team.
a. The flyer/htmlised mailer will be sent in email and its going to be a web meeting.
b. The flyer/htmlised mailer should contain the presenter photo, Name and schedule details
We welcome Ideas/ suggestions on the content to be in the flyer/htmlised mailer