The Speakers widget can be found in the "View to display" dropdown, under the "People" section.
The view "Speakers" must be made public so that anyone who visits your website can view its content.
If you click on "Edit View," you will be able to customize you widget and also select whether you want the content to be displayed as a grid or as list and whether people with or without an account should be included.
You can also chose the Top Horizontal lists for "Personalized recommendations" and "People Online."
You can sort the speaker by "Name" & Type" and apply filters based on custom fields.
Once you have made the desired changes, click on "Copy" and use the HTML code on your website to display the Speakers widget.