You can add a content block on your event website that displays a list of headshots accompmanied by additonal information:
This content block can be used for many purposes, for example to showcase:
The members of the organizing committee
The list of speakers
Add a Speaker content block
In your organizer panel, go to the page where you want to add speakers and click Add content.
Choose the Speakers content block.
Enter a title and a description (optional).
Click Add speaker.
Enter the speaker information and click Save.
You can drag and drop speakers to change the order in which they appear on the event website.
What it looks like
This is what it looks like on your event website: